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PerformanceAnalytics_Class.py

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1#Python Script---------------------------------------------------------------------------------------------------------------------------2#Title: Performance Analytics3# coding: utf-84#---5import pandas as pd6import datetime 7import time8import math9import csv10import numpy as np11import scipy12from scipy.stats import trim_mean, kurtosis13from scipy.stats.mstats import mode, gmean, hmean14from scipy.stats import norm15from pandas.tseries.offsets import BDay16import ta as ta17class Performance():18 def __init__(self, Reuters):19 self.reuters = Reuters20 21 #actual price data22 url_csv = "http://matterhorn-lab.herokuapp.com/download/"+ str(self.reuters)23 prices_data = pd.read_csv(url_csv, sep = ",") 24 start, stop, step = 0, -14, 125 prices_data["Date"] = prices_data["Date"].str.slice(start, stop, step)26 27 prices_data = prices_data[::-1].reset_index()28 prices_data = prices_data.drop(['index'], axis=1)29 prices_data = prices_data.sort_values(["Date"], ascending = [1]).reset_index()30 prices_data = prices_data.drop(['index'], axis=1)31 32 33 #static34 stock_info = pd.read_csv('data/DB_Stock_Info.csv', sep=';')35 key_ratios = pd.read_csv('data/DB_Stock_Key_Ratios.csv', sep=';')36 37 # get the number of business days38 c_size = len(prices_data.columns)39 r_size = prices_data.shape[0]40 41 date_data = prices_data.iloc[:,0]42 today = date_data.iloc[r_size-1:r_size]43 today = pd.to_datetime(today)44 today = datetime.date(int(today.dt.year),int(today.dt.month),int(today.dt.day))45 46 # calculate days yesterday47 yesterday = today -BDay(1)48 # calculate days last week49 lastweek = today -BDay(5)50 # calculate days since start month51 startmonth = datetime.date(int(today.strftime('%Y')),int(today.strftime('%m')),1)52 days_start_month = np.busday_count(startmonth,today)53 # calculate days last month54 lastmonth = datetime.date(int(today.strftime('%Y')),int(today.strftime('%m'))-1,int(today.strftime('%d')))55 days_last_month = np.busday_count(lastmonth,today)56 # calculate days since start year57 yearstart = datetime.date(int(today.strftime('%Y')),1,1)58 days_start_year = np.busday_count(yearstart,today)59 # calculate days one year60 lastyear = datetime.date(int(today.strftime('%Y'))-1,int(today.strftime('%m')),int(today.strftime('%d')))61 days_last_year = np.busday_count(lastyear,today)62 # calculate days three years63 last3years = datetime.date(int(today.strftime('%Y'))-3,int(today.strftime('%m')),int(today.strftime('%d')))64 days_last_3years = np.busday_count(last3years,today)65 # calculate days five years66 last5years = datetime.date(int(today.strftime('%Y'))-5,int(today.strftime('%m')),int(today.strftime('%d')))67 days_last_5years = np.busday_count(last5years,today)68 # calculate days ten years69 last10years = datetime.date(int(today.strftime('%Y'))-10,int(today.strftime('%m')),int(today.strftime('%d')))70 days_last_10years = np.busday_count(last10years,today)71 72 # calculate returns 73 prices = prices_data.iloc[:,1:c_size]74 #returns = math.log(prices/prices.shift(1))75 #prices_year = prices.iloc[r_size-days_year:r_size]76 price_change = pd.DataFrame(prices.values[r_size-1] - prices)77 price_change.columns = [ Reuters]78 returns = prices.pct_change(1)79 80 # calculate price and return today81 returns_today = returns.iloc[r_size-1:r_size]82 prices_today = prices.iloc[r_size-1:r_size]83 price_change_today = price_change.iloc[r_size-1:r_size]84 85 # calculate price and return yesterday86 returns_yesterday = returns.iloc[r_size-2:r_size]87 prices_yesterday = prices.iloc[r_size-2:r_size]88 cum_return_yesterday = prices_yesterday.loc[r_size-1] / prices_yesterday.loc[r_size-2] -189 average_return_yesterday = np.mean(returns_yesterday)90 price_change_yesterday = price_change.iloc[r_size-2:r_size-1]91 92 # calculate price and return last week93 returns_last_week = returns.iloc[r_size-5:r_size]94 prices_last_week = prices.iloc[r_size-5:r_size]95 cum_return_last_week = prices_last_week.loc[r_size-1] / prices_last_week.loc[r_size-5] -196 average_return_last_week = np.mean(returns_last_week)97 price_change_last_week = price_change.iloc[r_size-5:r_size]98 vola_last_week = np.std(returns_last_week)99 sharpe_ratio_last_week = average_return_last_week /vola_last_week100 101 # calculate price and return since start month102 returns_start_month = returns.iloc[r_size-days_start_month:r_size]103 prices_start_month = prices.iloc[r_size-days_start_month:r_size]104 cum_return_start_month = prices_start_month.loc[r_size-1] / prices_start_month.loc[r_size-days_start_month] -1105 average_return_start_month = np.mean(returns_start_month)106 price_change_start_month = price_change.iloc[r_size-days_start_month:r_size]107 vola_start_month = np.std(returns_start_month)108 sharpe_ratio_start_month = average_return_start_month /vola_start_month109 110 # calculate price and return last month111 returns_last_month = returns.iloc[r_size-days_last_month:r_size]112 prices_last_month = prices.iloc[r_size-days_last_month:r_size]113 cum_return_last_month = prices_last_month.loc[r_size-1] / prices_last_month.loc[r_size-days_last_month] -1114 average_return_last_month = np.mean(returns_last_month)115 price_change_last_month = price_change.iloc[r_size-days_last_month:r_size]116 117 # calculate price and return since start year118 returns_start_year = returns.iloc[r_size-days_start_year:r_size]119 prices_start_year = prices.iloc[r_size-days_start_year:r_size]120 cum_return_start_year = prices_start_year.loc[r_size-1] / prices_start_year.loc[r_size-days_start_year] -1121 average_return_start_year = np.mean(returns_start_year)122 price_change_start_year = price_change.iloc[r_size-days_start_year:r_size]123 vola_start_year = np.std(returns_start_year)124 sharpe_ratio_start_year = average_return_start_year /vola_start_year125 126 # calculate price and return one year127 returns_last_year = returns.iloc[r_size-days_last_year:r_size]128 prices_last_year = prices.iloc[r_size-days_last_year:r_size]129 cum_return_last_year = prices_last_year.loc[r_size-1] / prices_last_year.loc[r_size-days_last_year] -1130 average_return_last_year = np.mean(returns_last_year)131 price_change_last_year = price_change.iloc[r_size-days_last_year:r_size]132 vola_last_year = np.std(returns_last_year)133 sharpe_ratio_last_year = average_return_last_year /vola_last_year134 135 # calculate price and return three years136 returns_last_3years = returns.iloc[r_size-days_last_3years:r_size]137 prices_last_3years = prices.iloc[r_size-days_last_3years:r_size]138 cum_return_last_3years = prices_last_3years.loc[r_size-1] / prices_last_3years.loc[r_size-days_last_3years] -1139 average_return_last_3years = np.mean(returns_last_3years)140 price_change_last_3years = price_change.iloc[r_size-days_last_3years:r_size]141 vola_last_3years = np.std(returns_last_3years)142 sharpe_ratio_last_3years = average_return_last_3years /vola_last_3years143 144 # calculate price and return five years145 returns_last_5years = returns.iloc[r_size-days_last_5years:r_size]146 prices_last_5years = prices.iloc[r_size-days_last_5years:r_size]147 cum_return_last_5years = prices_last_5years.loc[r_size-1] / prices_last_5years.loc[r_size-days_last_5years] -1148 average_return_last_5years = np.mean(returns_last_5years)149 price_change_last_5years = price_change.iloc[r_size-days_last_5years:r_size]150 vola_last_5years = np.std(returns_last_5years)151 sharpe_ratio_last_5years = average_return_last_5years /vola_last_5years152 153 # calculate price and return ten years154 returns_last_10years = returns.iloc[r_size-days_last_10years:r_size]155 prices_last_10years = prices.iloc[r_size-days_last_10years:r_size]156 cum_return_last_10years = prices_last_10years.loc[r_size-1] / prices_last_10years.loc[r_size-days_last_10years] -1157 average_return_last_10years = np.mean(returns_last_10years)158 price_change_last_10years = price_change.iloc[r_size-days_last_10years:r_size]159 vola_last_10years = np.std(returns_last_10years)160 sharpe_ratio_last_10years = average_return_last_10years /vola_last_10years161 162 # all time163 cum_return_all = prices.loc[r_size-1] / prices.loc[3] -1164 average_return_all = np.mean(returns)165 vola_all = np.std(returns)166 sharpe_ratio_all = average_return_all /vola_all167 # year high, low and range168 year_high = prices_last_year.max()169 year_low = prices_last_year.min()170 range_low_high = year_high - year_low171 range_percent = range_low_high / year_high172 173 # investment of 10000 CHF174 help_investment = returns175 help_investment = help_investment.drop(help_investment.index[0:2])176 help_invest = [0] * (c_size-1)177 help_investment.iloc[0] = help_invest178 investment = (1+help_investment).cumprod() *10000179 180 # describtive statistics181 mean = np.mean(returns_last_year)182 std = np.std(returns_last_year)183 Z_99 = norm.ppf([0.01])184 185 186 # Value at risk187 Covar_Var = -(mean-Z_99*std)188 n_sims = 1000000189 SimVar =[]190 for i in range(c_size-1):191 np.random.seed(i)192 random_numbers = np.random.normal(0, 1, n_sims)193 sim_returns=mean[i]+std[i]*random_numbers194 SimVar = (np.percentile(sim_returns, 1))195 196 HistVar=[]197 for i in range(0,r_size-days_last_year):198 help_VaR = returns.iloc[r_size-days_last_year-i:r_size-i]199 HistVar.append(np.percentile(help_VaR, 1))200 201 df_HistVar = {}202 df_HistVar= {"Name": HistVar}203 HistVar = pd.DataFrame(HistVar)204 205 # Expected Shortfall206 cutoff = int(round(days_last_year * 0.01,0))207 208 ES = []209 for i in range(0,r_size-days_last_year):210 help_ES = returns.Price.iloc[r_size-days_last_year-i:r_size-i]211 losses = help_ES.sort_values()212 expectedloss = np.mean(losses.iloc[0:cutoff])213 ES.append(expectedloss)214 215 data_ES = {}216 data_ES = {"Name": ES}217 ES = pd.DataFrame(ES)218 219 # Drawdown220 Roll_Max = prices.cummax()221 Daily_Drawdown = (prices/Roll_Max - 1.0)222 Max_Daily_Drawdown = Daily_Drawdown.cummin()223 224 Daily_Drawdown = abs(Daily_Drawdown)225 Max_Daily_Drawdown = abs(Max_Daily_Drawdown)226 227 228 #Key Ratios229 key_ratios.columns= ["Name", "ABBN.S", "ADEN.S", "ALCC.S", "CSGN.S", "GEBN.S", "GIVN.S", 230 "LHN.S", "LONN.S", "NESN.S", "NOVN.S", "CFR.S", "ROG.S", "SGSN.S",231 "SIKA.S", "UHR.S", "SLHN.S", "SRENH.S", "SCMN.S", "UBSG.S", "ZURN.S"]232 233 key_ratios_clean = key_ratios["NESN.S"]234 price_earnings_ratio = key_ratios_clean.iloc[4]235 236 # price/book ratio237 price_book_ratio = key_ratios_clean.iloc[5]238 239 # return on equity ratio240 return_on_equity_ratio = key_ratios_clean.iloc[12]241 242 # Dividend yield - indicated annual dividend divided by closing price243 dividend_yield_ratio = key_ratios_clean.iloc[8]244 245 # debt to ratio246 debt_equity_ratio = key_ratios_clean.iloc[20]247 248 249 # =============================================================================250 #Sort all analysis from above to get dataframes which are used on the webpage for the tables and figures251 252 #Overview: Data for Figure Annual Performance253 Data = {'Date': [lastmonth,lastyear, last3years, last5years, last10years],254 'Price': [cum_return_last_month.Price, cum_return_last_year.Price, cum_return_last_3years.Price, cum_return_last_5years.Price, cum_return_last_10years.Price],255 }256 257 self.df_annual_perf = pd.DataFrame(Data, columns = ['Date','Price'])258 259 #Table Price Performance260 Data_Price_Performance = {261 'Name': ["Placeholder"],262 '1 month': [cum_return_last_month.Price],263 '1 Years': [cum_return_last_year.Price],264 '3 Years': [cum_return_last_3years.Price],265 '5 Years': [cum_return_last_5years.Price],266 '10 Years': [cum_return_last_10years.Price],267 'Since Inception': [cum_return_all.Price],268 }269 270 self.df_Price_Performance = pd.DataFrame(Data_Price_Performance, columns = ['1 month','1 Years', '3 Years', '5 Years', '10 Years', 'Since Inception'])271 272 #Overview: Hypothetical Growth 273 V2007 = investment.iloc[r_size-3-days_last_year*12].Price274 V2008 = investment.iloc[r_size-3-days_last_year*11].Price275 V2009 = investment.iloc[r_size-3-days_last_year*10].Price276 V2010 = investment.iloc[r_size-3-days_last_year*9].Price277 V2011 = investment.iloc[r_size-3-days_last_year*8].Price278 V2012 = investment.iloc[r_size-3-days_last_year*7].Price279 V2013 = investment.iloc[r_size-3-days_last_year*6].Price280 V2014 = investment.iloc[r_size-3-days_last_year*5].Price281 V2015 = investment.iloc[r_size-3-days_last_year*4].Price282 V2016 = investment.iloc[r_size-3-days_last_year*3].Price283 V2017 = investment.iloc[r_size-3-days_last_year*2].Price284 V2018 = investment.iloc[r_size-3-days_last_year].Price285 V2019 = investment.iloc[r_size-3].Price286 287 hypothetical_growth = {'Date': ['2006','2007','2008','2009','2010','2011','2012','2013','2014','2015','2016','2017','2018','2019'],288 'Value': [10000,V2007, V2008,V2009,V2010,V2011,V2012,V2013,V2014,V2015,V2016,V2017,V2018,V2019]289 }290 291 self.df_hypothetical_growth = pd.DataFrame(hypothetical_growth, columns = ['Date','Value'])292 293 #Overview: Figure Average Annual Performance294 annual_perf_average = {'Date': [lastmonth,lastyear, last3years, last5years, last10years],295 'Price': [average_return_last_month.Price*252, average_return_last_year.Price*252, average_return_last_3years.Price*252, average_return_last_5years.Price*252, average_return_last_10years.Price*252],296 }297 self.df_annual_perf_average = pd.DataFrame(annual_perf_average, columns = ['Date','Price'])298 299 300 #Overview: igure Risk Potential301 #Define quantiles for Graph302 q0=-1.854444201294828303 q1=-0.8269888130616426304 q2=0.22536003249425604305 q3=0.6619326773878177306 q4=1.1356494832642325307 SR = sharpe_ratio_last_year.Price * math.sqrt(252)308 309 #Define Values for Figure310 if (SR< q1):311 self.SR_q = 0.09312 elif (SR >= q1 and SR< q2):313 self.SR_q = 0.29314 elif (SR >= q2 and SR < q3):315 self.SR_q = 0.49316 elif (SR >= q3 and SR < q4):317 self.SR_q = 0.69318 elif (SR >= q4):319 self.SR_q = 0.89320 321 322 Data_Current_Statistic = {"Name": ["Price change yesterday", "Average Annual Return", "Average daily Volatility","1 Year Volatilty", "1 Year Sharpe Ratio"],323 "Numbers": [round(float(price_change_yesterday.values[0]),2), round(average_return_all.Price*252* 100, 2).astype(str) + '%', round(vola_last_year.Price,3), round(vola_last_year.Price * math.sqrt(252),3), round(sharpe_ratio_last_year.Price * math.sqrt(252),3)]324 }325 326 self.df_Current_Statistic = pd.DataFrame(Data_Current_Statistic, columns = ["Name", "Numbers"])327 328 329 #Price Performance: Table Historic Prices330 Avg_price = pd.DataFrame.mean(prices)331 Data_Historic_Prices = {"Name": ["Current Price", "Price Last Year", "Average Price","Year High", "Year Low"],332 "Numbers": [prices_today.Price.iloc[0],prices_last_year.Price.iloc[0], Avg_price.Price, year_high.Price, year_low.Price]333 }334 335 self.df_Historic_Prices = pd.DataFrame(Data_Historic_Prices, columns = ["Name", "Numbers"]) 336 self.df_Historic_Prices.Numbers = round(self.df_Historic_Prices.Numbers , 2)337 338 339 #Price Performance: Figure Price Development340 date_data_clean = pd.DataFrame(date_data)341 date_data_clean["Prices"] = prices342 343 self.df_Performance_Graph = date_data_clean344 345 #Price Performance: Figure returns 346 date_data_clean2 = pd.DataFrame(date_data)347 date_data_clean2["Returns"] = returns348 349 self.df_Return_Graph = date_data_clean2350 351 352 #Price Performance: Key Ratios353 Data_Key_Ratios = {"Name": ["Price Earnings Ratio", "Price Book Ratio", "Return on Equity","Debt Equity Ratio", "Dividend Yield Ratio",],354 "Numbers": [round(price_earnings_ratio,2), round(price_book_ratio,2), round(return_on_equity_ratio,2), round(debt_equity_ratio* 100, 2).astype(str) + '%', round(dividend_yield_ratio* 100, 2).astype(str) + '%']355 }356 self.df_Key_Ratios = pd.DataFrame(Data_Key_Ratios, columns = ["Name", "Numbers"])357 358 #Risk Measures: Table 1359 Data_Risk_Measures1 = {"Name": [ "Sharpe Ratio last year", "Sharpe Ratio Total", "Daily Drawdown", "Max Daily Drawdown"],360 "Numbers": [round(sharpe_ratio_last_year.Price * math.sqrt(252),2), round(sharpe_ratio_all.Price *math.sqrt(r_size),2), round(Daily_Drawdown.Price.iloc[-1]* 100, 2).astype(str) + '%', round(Max_Daily_Drawdown.Price.iloc[-1]* 100, 2).astype(str) + '%']361 }362 self.df_Risk_Measure1 = pd.DataFrame(Data_Risk_Measures1, columns = ["Name", "Numbers"])363 364 #Risk Measures: Table 2365 Data_Risk_Measures2 = {"Name": [ "Historic Value at Risk","Simulated Value at Risk", "Parametic Value at Risk","Expected Shortfall"],366 "Numbers": [ round(float(HistVar.values[0]),4), round(SimVar,4), round(Covar_Var.Price,4) , round(float(ES.values[0]),4)]367 }368 self.df_Risk_Measure2 = pd.DataFrame(Data_Risk_Measures2, columns = ["Name", "Numbers"])369 370 371 #Risk Measures: Value at Risk 372 data_VaR = pd.DataFrame(df_HistVar, columns = ["Name"])373 data_VaR = data_VaR[::-1].reset_index()374 data_VaR = data_VaR.drop(['index'], axis=1)375 Date_VaR = pd.DataFrame(date_data.iloc[days_last_year:r_size]).reset_index()376 Date_VaR = Date_VaR.drop(['index'], axis=1)377 Date_VaR["Price"] = data_VaR378 self.df_VaR = Date_VaR379 380 #Risk Measures: Expected Shortfall381 Data_ES = pd.DataFrame(data_ES, columns = ["Name"])382 Data_ES = Data_ES[::-1].reset_index()383 Data_ES = Data_ES.drop(['index'], axis=1)384 Date_ES = pd.DataFrame(date_data.iloc[days_last_year:r_size]).reset_index()385 Date_ES = Date_ES.drop(['index'], axis=1)386 Date_ES["Price"] = Data_ES387 self.df_ES = Date_ES388 389 390 #Risk Measures: Drawdown391 date_data_clean1 = pd.DataFrame(date_data)392 date_data_clean1["Max_DD"] = Max_Daily_Drawdown393 date_data_clean1["DD"] = Daily_Drawdown394 date_data_clean1["Roll_Max"] = Roll_Max395 self.df_Max_Daily_Drawdown = date_data_clean1396 397 398 #Technical399 b = prices.Price400 bollinger_mavg = ta.bollinger_mavg(b)401 bollinger_hband = ta.bollinger_hband(b)402 bollinger_lband = ta.bollinger_lband(b)403 bollinger_hband_indicator = ta.bollinger_hband_indicator(b)404 bollinger_lband_indicator=ta.bollinger_lband_indicator(b)405 406 rsi = ta.rsi(b)407 aroon_up = ta.aroon_up(b)408 aroon_down = ta.aroon_down(b)409 410 #Technical Analysis: Table Technical Analysis411 aroon_up_today = aroon_up.values[r_size-2]412 aroon_down_today = aroon_down.values[r_size-2]413 if (aroon_up_today > aroon_down_today):414 if (aroon_up_today > 50):415 aroon_text = 'The Aroon Indicator detects a current strong upwards trend'416 else:417 aroon_text = 'The Aroon Indicator detects a current weak upwards trend'418 else:419 if (aroon_down_today > 50):420 aroon_text = 'The Aroon Indicator detects a current strong downwards trend'421 else:422 aroon_text = 'The Aroon Indicator detects a current weak downwards trend'423 424 425 rsi_today = rsi.values[r_size-2]426 if (rsi_today > 70):427 rsi_text = 'The Relative Strength Index detects a current overvaluation of the stock'428 elif(rsi_today > 30 and rsi_today <70):429 rsi_text = 'The Relative Strength Index detects no current overvaluation or undervaluation of the stock' 430 else:431 rsi_text = 'The Relative Strength Index detects a current undervaluation of the stock'432 433 bollinger_hband_indicator_today = bollinger_hband_indicator.values[r_size-2]434 bollinger_lband_indicator_today = bollinger_lband_indicator.values[r_size-2]435 if (bollinger_hband_indicator_today > bollinger_lband_indicator_today):436 bollinger_text = 'The Bollinger Band Oscillator detects that the current price is higher than the higher Bollinger Band and therefore recommends a buy of the stock'437 elif(bollinger_lband_indicator_today > 0):438 bollinger_text = 'The Bollinger Band Oscillator detects that the current price is lower than the lower Bollinger Band and therefore recommends a selling of the stock'439 else:440 bollinger_text = 'The Bollinger Band Oscillator detects that the current price is between the lower and higher Bollinger Band and therefore recommends no trading activities in the stock'441 TechnicalAnalysis = {"Name": [ "Boolinger Band:", "Relative Strength Index:", "Aroon Indicator:"],442 "Implications": [bollinger_text, rsi_text, aroon_text]443 }444 self.df_TechnicalAnalysis= pd.DataFrame(TechnicalAnalysis, columns = ["Name", "Implications"])445 446 #Technical Analyis: Figure Bollinger447 Date_Bollinger = pd.DataFrame(date_data)448 Date_Bollinger["mavg"] = bollinger_mavg449 Date_Bollinger["hband"] = bollinger_hband450 Date_Bollinger["lband"] = bollinger_lband451 self.df_BollingerBands = Date_Bollinger452 453 #Technical Analyis: Figure RSI454 Date_RSI = pd.DataFrame(date_data)455 Date_RSI["RSI"] = rsi456 457 df_RSI = Date_RSI.drop(Date_RSI.index[0:14]).reset_index()458 self.df_RSI = df_RSI.drop(['index'], axis=1)459 460 #Technical Analyis: Figure Aroon461 Date_aroon = pd.DataFrame(date_data)462 Date_aroon["aroon_up"] = aroon_up463 Date_aroon["aroon_down"] = aroon_down464 self.df_AroonIndicator = Date_aroon...

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0003_auto_20170616_1404.py

Source:0003_auto_20170616_1404.py Github

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1# -*- coding: utf-8 -*-2# Generated by Django 1.11.1 on 2017-06-16 14:043from __future__ import unicode_literals4from django.db import migrations, models5class Migration(migrations.Migration):6 dependencies = [7 ('raw', '0002_viewingtimes'),8 ]9 operations = [10 migrations.AddField(11 model_name='address',12 name='last_updated',13 field=models.DateTimeField(auto_now=True),14 ),15 migrations.AddField(16 model_name='agency',17 name='last_updated',18 field=models.DateTimeField(auto_now=True),19 ),20 migrations.AddField(21 model_name='agent',22 name='last_updated',23 field=models.DateTimeField(auto_now=True),24 ),25 migrations.AddField(26 model_name='attribute',27 name='last_updated',28 field=models.DateTimeField(auto_now=True),29 ),30 migrations.AddField(31 model_name='attributeoption',32 name='last_updated',33 field=models.DateTimeField(auto_now=True),34 ),35 migrations.AddField(36 model_name='attributerange',37 name='last_updated',38 field=models.DateTimeField(auto_now=True),39 ),40 migrations.AddField(41 model_name='bid',42 name='last_updated',43 field=models.DateTimeField(auto_now=True),44 ),45 migrations.AddField(46 model_name='bidcollection',47 name='last_updated',48 field=models.DateTimeField(auto_now=True),49 ),50 migrations.AddField(51 model_name='branding',52 name='last_updated',53 field=models.DateTimeField(auto_now=True),54 ),55 migrations.AddField(56 model_name='broadbandtechnology',57 name='last_updated',58 field=models.DateTimeField(auto_now=True),59 ),60 migrations.AddField(61 model_name='category',62 name='last_updated',63 field=models.DateTimeField(auto_now=True),64 ),65 migrations.AddField(66 model_name='charity',67 name='last_updated',68 field=models.DateTimeField(auto_now=True),69 ),70 migrations.AddField(71 model_name='contactdetails',72 name='last_updated',73 field=models.DateTimeField(auto_now=True),74 ),75 migrations.AddField(76 model_name='currentshippingpromotion',77 name='last_updated',78 field=models.DateTimeField(auto_now=True),79 ),80 migrations.AddField(81 model_name='dealer',82 name='last_updated',83 field=models.DateTimeField(auto_now=True),84 ),85 migrations.AddField(86 model_name='dealership',87 name='last_updated',88 field=models.DateTimeField(auto_now=True),89 ),90 migrations.AddField(91 model_name='dealershiplistingcounts',92 name='last_updated',93 field=models.DateTimeField(auto_now=True),94 ),95 migrations.AddField(96 model_name='dealershipphonenumbers',97 name='last_updated',98 field=models.DateTimeField(auto_now=True),99 ),100 migrations.AddField(101 model_name='dealershowroom',102 name='last_updated',103 field=models.DateTimeField(auto_now=True),104 ),105 migrations.AddField(106 model_name='district',107 name='last_updated',108 field=models.DateTimeField(auto_now=True),109 ),110 migrations.AddField(111 model_name='embeddedcontent',112 name='last_updated',113 field=models.DateTimeField(auto_now=True),114 ),115 migrations.AddField(116 model_name='fixedpriceofferdetails',117 name='last_updated',118 field=models.DateTimeField(auto_now=True),119 ),120 migrations.AddField(121 model_name='fixedpriceofferrecipient',122 name='last_updated',123 field=models.DateTimeField(auto_now=True),124 ),125 migrations.AddField(126 model_name='flatmate',127 name='last_updated',128 field=models.DateTimeField(auto_now=True),129 ),130 migrations.AddField(131 model_name='flatmateadjacentsuburbids',132 name='last_updated',133 field=models.DateTimeField(auto_now=True),134 ),135 migrations.AddField(136 model_name='flatmateadjacentsuburbnames',137 name='last_updated',138 field=models.DateTimeField(auto_now=True),139 ),140 migrations.AddField(141 model_name='flatmatephotourls',142 name='last_updated',143 field=models.DateTimeField(auto_now=True),144 ),145 migrations.AddField(146 model_name='flatmates',147 name='last_updated',148 field=models.DateTimeField(auto_now=True),149 ),150 migrations.AddField(151 model_name='foundcategory',152 name='last_updated',153 field=models.DateTimeField(auto_now=True),154 ),155 migrations.AddField(156 model_name='geographiclocation',157 name='last_updated',158 field=models.DateTimeField(auto_now=True),159 ),160 migrations.AddField(161 model_name='largebannerimage',162 name='last_updated',163 field=models.DateTimeField(auto_now=True),164 ),165 migrations.AddField(166 model_name='listeditemdetail',167 name='last_updated',168 field=models.DateTimeField(auto_now=True),169 ),170 migrations.AddField(171 model_name='locality',172 name='last_updated',173 field=models.DateTimeField(auto_now=True),174 ),175 migrations.AddField(176 model_name='member',177 name='last_updated',178 field=models.DateTimeField(auto_now=True),179 ),180 migrations.AddField(181 model_name='memberprofile',182 name='last_updated',183 field=models.DateTimeField(auto_now=True),184 ),185 migrations.AddField(186 model_name='memberrequestinformation',187 name='last_updated',188 field=models.DateTimeField(auto_now=True),189 ),190 migrations.AddField(191 model_name='membershipdistrict',192 name='last_updated',193 field=models.DateTimeField(auto_now=True),194 ),195 migrations.AddField(196 model_name='membershiplocality',197 name='last_updated',198 field=models.DateTimeField(auto_now=True),199 ),200 migrations.AddField(201 model_name='motorwebbasicreport',202 name='last_updated',203 field=models.DateTimeField(auto_now=True),204 ),205 migrations.AddField(206 model_name='openhome',207 name='last_updated',208 field=models.DateTimeField(auto_now=True),209 ),210 migrations.AddField(211 model_name='option',212 name='last_updated',213 field=models.DateTimeField(auto_now=True),214 ),215 migrations.AddField(216 model_name='optionset',217 name='last_updated',218 field=models.DateTimeField(auto_now=True),219 ),220 migrations.AddField(221 model_name='optionsetvalues',222 name='last_updated',223 field=models.DateTimeField(auto_now=True),224 ),225 migrations.AddField(226 model_name='photo',227 name='last_updated',228 field=models.DateTimeField(auto_now=True),229 ),230 migrations.AddField(231 model_name='photourl',232 name='last_updated',233 field=models.DateTimeField(auto_now=True),234 ),235 migrations.AddField(236 model_name='properties',237 name='last_updated',238 field=models.DateTimeField(auto_now=True),239 ),240 migrations.AddField(241 model_name='property',242 name='last_updated',243 field=models.DateTimeField(auto_now=True),244 ),245 migrations.AddField(246 model_name='propertyadjacentsuburbids',247 name='last_updated',248 field=models.DateTimeField(auto_now=True),249 ),250 migrations.AddField(251 model_name='propertyadjacentsuburbnames',252 name='last_updated',253 field=models.DateTimeField(auto_now=True),254 ),255 migrations.AddField(256 model_name='propertyphotourls',257 name='last_updated',258 field=models.DateTimeField(auto_now=True),259 ),260 migrations.AddField(261 model_name='question',262 name='last_updated',263 field=models.DateTimeField(auto_now=True),264 ),265 migrations.AddField(266 model_name='questions',267 name='last_updated',268 field=models.DateTimeField(auto_now=True),269 ),270 migrations.AddField(271 model_name='refunddetails',272 name='last_updated',273 field=models.DateTimeField(auto_now=True),274 ),275 migrations.AddField(276 model_name='sale',277 name='last_updated',278 field=models.DateTimeField(auto_now=True),279 ),280 migrations.AddField(281 model_name='searchparameter',282 name='last_updated',283 field=models.DateTimeField(auto_now=True),284 ),285 migrations.AddField(286 model_name='shippingoption',287 name='last_updated',288 field=models.DateTimeField(auto_now=True),289 ),290 migrations.AddField(291 model_name='simplememberprofile',292 name='last_updated',293 field=models.DateTimeField(auto_now=True),294 ),295 migrations.AddField(296 model_name='sponsorlink',297 name='last_updated',298 field=models.DateTimeField(auto_now=True),299 ),300 migrations.AddField(301 model_name='store',302 name='last_updated',303 field=models.DateTimeField(auto_now=True),304 ),305 migrations.AddField(306 model_name='storepromotion',307 name='last_updated',308 field=models.DateTimeField(auto_now=True),309 ),310 migrations.AddField(311 model_name='suburb',312 name='last_updated',313 field=models.DateTimeField(auto_now=True),314 ),315 migrations.AddField(316 model_name='suburbadjacentsuburbs',317 name='last_updated',318 field=models.DateTimeField(auto_now=True),319 ),320 migrations.AddField(321 model_name='variant',322 name='last_updated',323 field=models.DateTimeField(auto_now=True),324 ),325 migrations.AddField(326 model_name='variantdefinition',327 name='last_updated',328 field=models.DateTimeField(auto_now=True),329 ),330 migrations.AddField(331 model_name='variantdefinitionsummary',332 name='last_updated',333 field=models.DateTimeField(auto_now=True),334 ),335 migrations.AddField(336 model_name='viewingtime',337 name='last_updated',338 field=models.DateTimeField(auto_now=True),339 ),340 migrations.AddField(341 model_name='viewingtimes',342 name='last_updated',343 field=models.DateTimeField(auto_now=True),344 ),...

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expressions.py

Source:expressions.py Github

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1"""This module contains the expressions applicable for CronTrigger's fields."""2from calendar import monthrange3import re4from apscheduler.util import asint5__all__ = ('AllExpression', 'RangeExpression', 'WeekdayRangeExpression',6 'WeekdayPositionExpression', 'LastDayOfMonthExpression')7WEEKDAYS = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun']8MONTHS = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec']9class AllExpression(object):10 value_re = re.compile(r'\*(?:/(?P<step>\d+))?$')11 def __init__(self, step=None):12 self.step = asint(step)13 if self.step == 0:14 raise ValueError('Increment must be higher than 0')15 def validate_range(self, field_name):16 from apscheduler.triggers.cron.fields import MIN_VALUES, MAX_VALUES17 value_range = MAX_VALUES[field_name] - MIN_VALUES[field_name]18 if self.step and self.step > value_range:19 raise ValueError('the step value ({}) is higher than the total range of the '20 'expression ({})'.format(self.step, value_range))21 def get_next_value(self, date, field):22 start = field.get_value(date)23 minval = field.get_min(date)24 maxval = field.get_max(date)25 start = max(start, minval)26 if not self.step:27 next = start28 else:29 distance_to_next = (self.step - (start - minval)) % self.step30 next = start + distance_to_next31 if next <= maxval:32 return next33 def __eq__(self, other):34 return isinstance(other, self.__class__) and self.step == other.step35 def __str__(self):36 if self.step:37 return '*/%d' % self.step38 return '*'39 def __repr__(self):40 return "%s(%s)" % (self.__class__.__name__, self.step)41class RangeExpression(AllExpression):42 value_re = re.compile(43 r'(?P<first>\d+)(?:-(?P<last>\d+))?(?:/(?P<step>\d+))?$')44 def __init__(self, first, last=None, step=None):45 super(RangeExpression, self).__init__(step)46 first = asint(first)47 last = asint(last)48 if last is None and step is None:49 last = first50 if last is not None and first > last:51 raise ValueError('The minimum value in a range must not be higher than the maximum')52 self.first = first53 self.last = last54 def validate_range(self, field_name):55 from apscheduler.triggers.cron.fields import MIN_VALUES, MAX_VALUES56 super(RangeExpression, self).validate_range(field_name)57 if self.first < MIN_VALUES[field_name]:58 raise ValueError('the first value ({}) is lower than the minimum value ({})'59 .format(self.first, MIN_VALUES[field_name]))60 if self.last is not None and self.last > MAX_VALUES[field_name]:61 raise ValueError('the last value ({}) is higher than the maximum value ({})'62 .format(self.last, MAX_VALUES[field_name]))63 value_range = (self.last or MAX_VALUES[field_name]) - self.first64 if self.step and self.step > value_range:65 raise ValueError('the step value ({}) is higher than the total range of the '66 'expression ({})'.format(self.step, value_range))67 def get_next_value(self, date, field):68 startval = field.get_value(date)69 minval = field.get_min(date)70 maxval = field.get_max(date)71 # Apply range limits72 minval = max(minval, self.first)73 maxval = min(maxval, self.last) if self.last is not None else maxval74 nextval = max(minval, startval)75 # Apply the step if defined76 if self.step:77 distance_to_next = (self.step - (nextval - minval)) % self.step78 nextval += distance_to_next79 return nextval if nextval <= maxval else None80 def __eq__(self, other):81 return (isinstance(other, self.__class__) and self.first == other.first and82 self.last == other.last)83 def __str__(self):84 if self.last != self.first and self.last is not None:85 range = '%d-%d' % (self.first, self.last)86 else:87 range = str(self.first)88 if self.step:89 return '%s/%d' % (range, self.step)90 return range91 def __repr__(self):92 args = [str(self.first)]93 if self.last != self.first and self.last is not None or self.step:94 args.append(str(self.last))95 if self.step:96 args.append(str(self.step))97 return "%s(%s)" % (self.__class__.__name__, ', '.join(args))98class MonthRangeExpression(RangeExpression):99 value_re = re.compile(r'(?P<first>[a-z]+)(?:-(?P<last>[a-z]+))?', re.IGNORECASE)100 def __init__(self, first, last=None):101 try:102 first_num = MONTHS.index(first.lower()) + 1103 except ValueError:104 raise ValueError('Invalid month name "%s"' % first)105 if last:106 try:107 last_num = MONTHS.index(last.lower()) + 1108 except ValueError:109 raise ValueError('Invalid month name "%s"' % last)110 else:111 last_num = None112 super(MonthRangeExpression, self).__init__(first_num, last_num)113 def __str__(self):114 if self.last != self.first and self.last is not None:115 return '%s-%s' % (MONTHS[self.first - 1], MONTHS[self.last - 1])116 return MONTHS[self.first - 1]117 def __repr__(self):118 args = ["'%s'" % MONTHS[self.first]]119 if self.last != self.first and self.last is not None:120 args.append("'%s'" % MONTHS[self.last - 1])121 return "%s(%s)" % (self.__class__.__name__, ', '.join(args))122class WeekdayRangeExpression(RangeExpression):123 value_re = re.compile(r'(?P<first>[a-z]+)(?:-(?P<last>[a-z]+))?', re.IGNORECASE)124 def __init__(self, first, last=None):125 try:126 first_num = WEEKDAYS.index(first.lower())127 except ValueError:128 raise ValueError('Invalid weekday name "%s"' % first)129 if last:130 try:131 last_num = WEEKDAYS.index(last.lower())132 except ValueError:133 raise ValueError('Invalid weekday name "%s"' % last)134 else:135 last_num = None136 super(WeekdayRangeExpression, self).__init__(first_num, last_num)137 def __str__(self):138 if self.last != self.first and self.last is not None:139 return '%s-%s' % (WEEKDAYS[self.first], WEEKDAYS[self.last])140 return WEEKDAYS[self.first]141 def __repr__(self):142 args = ["'%s'" % WEEKDAYS[self.first]]143 if self.last != self.first and self.last is not None:144 args.append("'%s'" % WEEKDAYS[self.last])145 return "%s(%s)" % (self.__class__.__name__, ', '.join(args))146class WeekdayPositionExpression(AllExpression):147 options = ['1st', '2nd', '3rd', '4th', '5th', 'last']148 value_re = re.compile(r'(?P<option_name>%s) +(?P<weekday_name>(?:\d+|\w+))' %149 '|'.join(options), re.IGNORECASE)150 def __init__(self, option_name, weekday_name):151 super(WeekdayPositionExpression, self).__init__(None)152 try:153 self.option_num = self.options.index(option_name.lower())154 except ValueError:155 raise ValueError('Invalid weekday position "%s"' % option_name)156 try:157 self.weekday = WEEKDAYS.index(weekday_name.lower())158 except ValueError:159 raise ValueError('Invalid weekday name "%s"' % weekday_name)160 def get_next_value(self, date, field):161 # Figure out the weekday of the month's first day and the number of days in that month162 first_day_wday, last_day = monthrange(date.year, date.month)163 # Calculate which day of the month is the first of the target weekdays164 first_hit_day = self.weekday - first_day_wday + 1165 if first_hit_day <= 0:166 first_hit_day += 7167 # Calculate what day of the month the target weekday would be168 if self.option_num < 5:169 target_day = first_hit_day + self.option_num * 7170 else:171 target_day = first_hit_day + ((last_day - first_hit_day) // 7) * 7172 if target_day <= last_day and target_day >= date.day:173 return target_day174 def __eq__(self, other):175 return (super(WeekdayPositionExpression, self).__eq__(other) and176 self.option_num == other.option_num and self.weekday == other.weekday)177 def __str__(self):178 return '%s %s' % (self.options[self.option_num], WEEKDAYS[self.weekday])179 def __repr__(self):180 return "%s('%s', '%s')" % (self.__class__.__name__, self.options[self.option_num],181 WEEKDAYS[self.weekday])182class LastDayOfMonthExpression(AllExpression):183 value_re = re.compile(r'last', re.IGNORECASE)184 def __init__(self):185 super(LastDayOfMonthExpression, self).__init__(None)186 def get_next_value(self, date, field):187 return monthrange(date.year, date.month)[1]188 def __str__(self):189 return 'last'190 def __repr__(self):...

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single_strategy.py

Source:single_strategy.py Github

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1# encoding: utf-82# author: gao-ming3# time: 2019/7/14--22:024# desc:5def stragtegy_MACD(df):6 macd_df = df[['DIF', 'DEA', 'MACD']]7 macd_list = df['MACD']8 # var_macd_list=[]9 # i=110 # while 1:11 # var_macd=macd_list[-i]-macd_list[-1-1]12 # var_macd_list.append(var_macd)13 last_macd = macd_df.iloc[-1, :]14 last_DIF = last_macd['DIF']15 last_DEA = last_macd['DEA']16 last_MACD = last_macd['MACD']17 up_trend = False18 if last_DIF > last_DEA and last_MACD > 0:19 up_trend = '上升趋势'20 else:21 up_trend = '震荡或下降趋势'22 var_macd_mark = []23 for i in range(1, len(macd_list)):24 var_macd = macd_list[-i] - macd_list[-i - 1]25 if i == 1:26 try:27 first_mark = var_macd / abs(var_macd)28 except:29 first_mark = 030 if var_macd > 0:31 var_macd_mark.append(1)32 elif var_macd < 0:33 var_macd_mark.append(-1)34 else:35 var_macd_mark.append(0)36 i += 137 if first_mark == 1:38 trend_add = '增强'39 else:40 trend_add = '减弱'41 res = {42 'trend': up_trend + '--' + trend_add,43 }44 return res45def strategy_BOLL(df, n: int = 20):46 """47 判断价格边界 价格运动 有一定的边界48 :param df:49 :param n: 使用的数据长度 默认2050 :return: 上下轨价格 以及 在上轨或下轨附近，给出操作的价格区间 其它为051 """52 boll_df = df.iloc[-n:, :]53 mid_s = boll_df['boll_mid']54 last_mid = mid_s[-1]55 # 计算下一周期的boll轨道56 next_mid = mid_s[-1] * 2 - mid_s[-2]57 next_up = boll_df['boll_up'][-1] * 2 - boll_df['boll_up'][-2]58 next_dn = boll_df['boll_dn'][-1] * 2 - boll_df['boll_dn'][-2]59 last_close = df['close'][-1]60 risk_rate_income, section = 0, 061 # boll线，上轨附近，卖出 给出价格区间62 if abs(last_close - next_up) < last_mid * 0.025:63 section = (next_up - 0.025 * last_mid, next_up + 0.025 * last_mid)64 # 卖出 收益风险比很小65 risk_rate_income = 0.0166 # boll线下轨 买入 给出买入区间67 if abs(last_close - next_dn) < last_mid * 0.025:68 section = (next_dn - 0.025 * last_mid, next_dn + 0.025 * last_mid)69 try:70 risk_rate_income = (next_mid - last_close) / (last_close - next_dn) - 171 except:72 risk_rate_income = 673 if risk_rate_income > 5 or risk_rate_income < -1:74 risk_rate_income = 575 res = {76 'next_up': next_up,77 'next_dn': next_dn,78 # 风险回报比79 'risk_income': '%.2f' % risk_rate_income,80 # 价格参考区间81 'section': section,82 }83 return res84def strategy_KDJ(df):85 """86 判断概率边界 超买 跌的概率大 超卖 涨的概率大87 :param df:88 :return:89 """90 kdj_df = df[['kdj_K', 'kdj_D']]91 kdj_df['K-D'] = kdj_df['kdj_K'] - kdj_df['kdj_D']92 last_kdj = kdj_df.iloc[-1, :]93 kdj_K = last_kdj['kdj_K']94 kdj_D = last_kdj['kdj_D']95 too_much = False96 if kdj_K > 80 or kdj_D > 80:97 too_much = '进入超买区间'98 if kdj_K < 20 or kdj_D < 20:99 too_much = '进入超卖区间'100 res = {101 'kdj_K': kdj_K,102 'kdj_D': kdj_D,103 }104 if too_much:105 res['kdj_res'] = too_much106 return res107def strategy_RSI(df):108 rsi_df = df[['RSI_6', 'RSI_12', 'RSI_24']]109 pass110def strategy_MA(df, n: int = 20):111 """112 均线策略，判断趋势113 :param df:114 :return:115 """116 try:117 ma_df = df[f'close_MA_{n}']118 except Exception as e:119 raise Exception('均线周期或数据有误！')120 # 上升趋势，平盘，下降趋势，最后返回的趋势结果121 # mark_up,mark_line,mark_dn,trend=0,0,0,0122 # print('0',mark_up)123 # boll中线的波动值边界，在这个值内波动，认为是合理的波动124 stand_value = ma_df[-1] * 0.007125 var_mid_list = []126 var_mid_mark = []127 for i in range(2, n):128 # 计算boll中线前后差值129 var_mid = ma_df[-i] - ma_df[1 - i]130 var_mid_list.append(var_mid)131 # 判断趋势132 if abs(var_mid) < stand_value:133 mark = 0 # 平盘134 elif var_mid > stand_value:135 mark = 1 # 上升趋势136 else:137 mark = -1 # 下降趋势138 var_mid_mark.append(mark)139 last_mark = var_mid_mark[0]140 # 保存趋势，以及加强还是减弱141 trend_res = [last_mark, -1]142 if var_mid_mark[0] * var_mid_mark[1] > 0:143 if abs(var_mid_list[0]) > abs(var_mid_list[1]):144 trend_res[1] = 1 # 趋势加强145 # 判断趋势延续的周期146 trend_num = 0147 for i in range(1, n):148 trend_num += 1149 if var_mid_list[i] * var_mid_list[i - 1] < 0:150 break151 suggest = '清仓' if last_mark == -1 else '持仓或波段'152 trend_dict = {153 '1': '上升',154 '0': '平盘',155 '-1': '下降',156 }157 trend_add = {158 '-1': '减弱',159 '1': '加强',160 }161 trend_judge = trend_dict[trend_res[0]] + ' ' + trend_add[trend_res[1]]162 res = {163 'suggest': suggest,164 # 趋势165 'trend': trend_judge,166 # 周期持续的长度167 'trend_num': trend_num,168 }169 return res170def strategy_VOL(df):171 """172 根据成交量来判断173 :param df:含有成交量 和成交量均值的dataframe174 :return: 判断结果:175 'abnormal':量能是否异常,176 'vol_status':量能增减状态,177 'period':持续时间,178 """179 vol_df = df[['vol', 'vol_MA_10']]180 # 判断量能异常181 vol_abnormal = 0182 last_vol = vol_df[-1, :]183 if last_vol['vol'] / last_vol['vol_MA_10'] > 2:184 vol_abnormal = '量能异常'185 # 记录成交量的增减状态186 var_vol_MA_sign = []187 for i in range(1, 50):188 last_vol = vol_df[-i, :]189 if last_vol['vol'] - last_vol['vol_MA_10'] >= 0:190 var_vol_MA_sign.append(1)191 else:192 var_vol_MA_sign.append(-1)193 if var_vol_MA_sign[0] == 1:194 vol_status = '量能增加'195 else:196 vol_status = '量能减少'197 # 保存变化的节点index198 change_index = []199 #200 for i in range(len(var_vol_MA_sign)):201 if var_vol_MA_sign[i] * var_vol_MA_sign[i + 1] < 0:202 change_index.append(i)203 # 量能交替不能超过3个周期，否则持续状态结束204 i = 0205 while 1:206 if change_index[i + 1] - change_index[i] > 3:207 vol_period = i208 break209 i += 2210 vol_period = change_index[vol_period]211 res = {212 'abnormal': vol_abnormal,213 'vol_status': vol_status,214 'period': vol_period,215 }...

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ewma.py

Source:ewma.py Github

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1#!/usr/bin/env python2# python 33## @file: EWMA.py4# @par:5# @author: Luke Gary6# @company:7# @date: 2018/12/128# @brief:9# @verbatim:10################################################################11# @copyright12# Copyright 2018 [Luke Gary] as an unpublished work.13# All Rights Reserved.14################################################################15#/16import math17##18## @brief Class for 0-6th order cascade exponential weighted moving average19##20class EWMA:21 def __init__(self, coeff, initialValue):22 ##23 ## ewma3 states for coefficient optimization24 ##25 self.last_ewma3 = [0.0,0.0,0.0]26 ##27 ## ewma6 states for coefficient optimization28 ##29 self.last_ewma6 = [0.0,0.0,0.0,0.0,0.0,0.0]30 ##31 ## default coefficients to 1.0 so the order can be from 0 - 632 ## since cascade elements will pass input signal to output with a=133 ##34 self.coeff = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0]35 for c in range(0, len(coeff)):36 if(c >= len(self.coeff)):37 print(f'EWMA Coefficients Length Mismatch! len(coeff) = {len(coeff)}, max is 6')38 break;39 self.coeff[c] = coeff[c]40 ##41 ## realtime filter states42 ##43 self.states = [0,0,0,0,0,0,0]44 self.states[0] = initialValue45 self.states[1] = initialValue46 self.states[2] = initialValue47 self.states[3] = initialValue48 self.states[4] = initialValue49 self.states[5] = initialValue50 self.states[6] = initialValue51 def preload(self, value):52 self.states[0] = value53 self.states[1] = value54 self.states[2] = value55 self.states[3] = value56 self.states[4] = value57 self.states[5] = value58 self.states[6] = value59 ##60 ## @brief calculate single EWMA element61 ##62 ## @param self The object63 ## @param alpha filter coefficient64 ## @param this current input sample65 ## @param last last output sample from this stage (feedback)66 ##67 ## @return EWMA result68 ##69 def ewma(self, alpha, this, last):70 return (float(alpha)*float(this)) + ((1.0-float(alpha))*float(last))71 ##72 ## @brief calculate 6th order cascade ewma73 ##74 ## @param self The object75 ## @param inputValue Raw input sample76 ##77 ## @return output of 6th cascade element78 ##79 def calculate(self, inputValue):80 result = 0.081 self.states[0] = float(inputValue)82 self.states[1] = self.ewma(float(self.coeff[0]), self.states[0], self.states[1])83 self.states[2] = self.ewma(float(self.coeff[1]), self.states[1], self.states[2])84 self.states[3] = self.ewma(float(self.coeff[2]), self.states[2], self.states[3])85 self.states[4] = self.ewma(float(self.coeff[3]), self.states[3], self.states[4])86 self.states[5] = self.ewma(float(self.coeff[4]), self.states[4], self.states[5])87 self.states[6] = self.ewma(float(self.coeff[5]), self.states[5], self.states[6])88 return self.states[6]89 def get_last_output(self):90 return self.states[6]91 def model_ewma3_preload(self, v):92 self.last_ewma3[0] = v93 self.last_ewma3[1] = v94 self.last_ewma3[2] = v95 ##96 ## @brief ewma 3rd order for IIR Model Fitting via SciPy Optimize97 ##98 ## @param self The object99 ## @param y0 The input value100 ## @param a coeff a101 ## @param b coeff b102 ## @param c coeff c103 ##104 ## @return IIR output105 ##106 def model_ewma3(self, y0, a, b, c):107 y1 = self.ewma(a, y0, self.last_ewma3[0])108 y2 = self.ewma(b, y1, self.last_ewma3[1])109 y3 = self.ewma(c, y2, self.last_ewma3[2])110 self.last_ewma3[0] = y1111 self.last_ewma3[1] = y2112 self.last_ewma3[2] = y3113 return y3114 def model_ewma6_preload(self, v):115 self.last_ewma6[0] = v116 self.last_ewma6[1] = v117 self.last_ewma6[2] = v118 self.last_ewma6[3] = v119 self.last_ewma6[4] = v120 self.last_ewma6[5] = v121 ##122 ## @brief ewma 6th order for IIR Model Fitting via SciPy Optimize123 ##124 ## @param self The object125 ## @param y0 The Input Value126 ## @param a coeff a127 ## @param b coeff b128 ## @param c coeff c129 ## @param d coeff d130 ## @param e coeff e131 ## @param f coeff f132 ##133 ## @return { description_of_the_return_value }134 ##135 def model_ewma6(self, y0, a, b, c, d, e, f):136 y1 = self.ewma(a, y0, self.last_ewma3[0])137 y2 = self.ewma(b, y1, self.last_ewma3[1])138 y3 = self.ewma(c, y2, self.last_ewma3[2])139 y4 = self.ewma(d, y3, self.last_ewma3[3])140 y5 = self.ewma(e, y4, self.last_ewma3[4])141 y6 = self.ewma(f, y5, self.last_ewma3[5])142 self.last_ewma6[0] = y1143 self.last_ewma6[1] = y2144 self.last_ewma6[2] = y3145 self.last_ewma6[3] = y4146 self.last_ewma6[4] = y5147 self.last_ewma6[5] = y6148 return y6149 def get_cutoff(self, Fs=1.0):150 x = [1.0,1.0,1.0,1.0,1.0,1.0]151 try:152 x[0] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[0], 2)/(2.0*(1.0 - self.coeff[0]))))153 except:154 print("filter tap not initialized")155 try:156 x[1] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[1], 2)/(2.0*(1.0 - self.coeff[1]))))157 except:158 print("filter tap not initialized")159 try:160 x[2] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[2], 2)/(2.0*(1.0 - self.coeff[2]))))161 except:162 print("filter tap not initialized")163 try:164 x[3] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[3], 2)/(2.0*(1.0 - self.coeff[3]))))165 except:166 print("filter tap not initialized")167 try:168 x[4] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[4], 2)/(2.0*(1.0 - self.coeff[4]))))169 except:170 print("filter tap not initialized")171 try:172 x[5] = (Fs/2*math.pi)*math.acos(1.0 - (math.pow(self.coeff[5], 2)/(2.0*(1.0 - self.coeff[5]))))173 except:174 print("filter tap not initialized")175 return x176def test():177 import numpy as np178 import matplotlib.pyplot as plt179 alpha = 0.1523347180 beta = 0.0547115181 gamma = 0.059647154182 coeff = [alpha, beta, gamma]183 filt = EWMA(coeff, 0)184 print(filt.get_cutoff(Fs=33.333))185 # test func model for optimization186 t = np.arange(0,100,0.1)187 inputs = []188 for i in range(0, len(t)):189 if i < len(t)/2:190 v = -1.0191 else:192 v = 1.0193 inputs.append(v)194 outputs = []195 realishOutputs = []196 filt.model_ewma3_preload(inputs[0])197 filt.preload(inputs[0])198 for i in range(0, len(inputs)):199 outputs.append(filt.model_ewma3(inputs[i], *coeff))200 realishOutputs.append(filt.calculate(inputs[i]))201 plt.figure()202 plt.plot(inputs,label='in')203 plt.plot(outputs,label='optimout')204 plt.plot(realishOutputs,label='realish', linestyle=':')205 plt.legend(loc='best')206 plt.show()207if __name__ == '__main__':...

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batch_utils.py

Source:batch_utils.py Github

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1import numpy as np2class Batch_Loader(object):3 def __init__(self, train_triples, n_entities, batch_size=100, neg_ratio=0, contiguous_sampling=False):4 self.train_triples = train_triples5 self.batch_size = batch_size6 self.n_entities = n_entities7 self.contiguous_sampling = contiguous_sampling8 self.neg_ratio = neg_ratio9 self.idx = 010 self.new_triples = np.empty((self.batch_size * (self.neg_ratio + 1), 3)).astype(np.int64)11 self.new_labels = np.empty((self.batch_size * (self.neg_ratio + 1))).astype(np.float32)12 13 def __call__(self):14 if self.contiguous_sampling:15 if self.idx >= len(self.train_triples):16 self.idx = 017 b = self.idx18 e = self.idx + self.batch_size19 this_batch_size = len(self.train_triples[b:e])20 self.new_triples[:this_batch_size,:] = self.train_triples[b:e,:]21 self.new_labels[:this_batch_size] = 1.022 self.idx += this_batch_size23 last_idx = this_batch_size24 else:25 idxs = np.random.randint(0, len(self.train_triples), self.batch_size)26 self.new_triples[:self.batch_size,:] = self.train_triples[idxs,:]27 self.new_labels[:self.batch_size] = 1.028 last_idx = self.batch_size29 if self.neg_ratio > 0:30 rdm_entities = np.random.randint(0, self.n_entities, last_idx * self.neg_ratio)31 rdm_choices = np.random.random(last_idx * self.neg_ratio)32 self.new_triples[last_idx:(last_idx*(self.neg_ratio+1)),:] = np.tile(self.new_triples[:last_idx,:], (self.neg_ratio, 1))33 self.new_labels[last_idx:(last_idx*(self.neg_ratio+1))] = np.tile(self.new_labels[:last_idx], self.neg_ratio)34 for i in range(last_idx):35 for j in range(self.neg_ratio):36 cur_idx = i * self.neg_ratio + j37 if rdm_choices[cur_idx] < 0.5:38 self.new_triples[last_idx + cur_idx, 0] = rdm_entities[cur_idx]39 else:40 self.new_triples[last_idx + cur_idx, 2] = rdm_entities[cur_idx]41 self.new_labels[last_idx + cur_idx] = -142 last_idx += cur_idx + 143 train = {44 "heads": self.new_triples[:last_idx,0], 45 "relations": self.new_triples[:last_idx,1],46 "tails": self.new_triples[:last_idx,2], 47 "labels": self.new_labels[:last_idx]48 }49 return train50class Extended_Batch_Loader(object):51 def __init__(self, train_triples, n_entities, n_relations, batch_size=100, neg_ratio=0, contiguous_sampling=False):52 self.train_triples = train_triples53 self.batch_size = batch_size54 self.n_entities = n_entities55 self.n_relations = n_relations56 self.contiguous_sampling = contiguous_sampling57 self.neg_ratio = neg_ratio58 self.idx = 059 self.new_triples = np.empty((self.batch_size * (self.neg_ratio*2 + 1), 3)).astype(np.int64)60 self.new_labels = np.empty((self.batch_size * (self.neg_ratio*2 + 1))).astype(np.float32)61 62 def __call__(self):63 if self.contiguous_sampling:64 if self.idx >= len(self.train_triples):65 self.idx = 066 b = self.idx67 e = self.idx + self.batch_size68 this_batch_size = len(self.train_triples[b:e])69 self.new_triples[:this_batch_size,:] = self.train_triples[b:e,:]70 self.new_labels[:this_batch_size] = 1.071 self.idx += this_batch_size72 last_idx = this_batch_size73 else:74 idxs = np.random.randint(0, len(self.train_triples), self.batch_size)75 self.new_triples[:self.batch_size,:] = self.train_triples[idxs,:]76 self.new_labels[:self.batch_size] = 1.077 last_idx = self.batch_size78 if self.neg_ratio > 0:79 rdm_entities = np.random.randint(0, self.n_entities, last_idx * self.neg_ratio)80 rdm_relations = np.random.randint(0, self.n_relations, last_idx * self.neg_ratio)81 rdm_choices = np.random.random(last_idx * self.neg_ratio)82 self.new_triples[last_idx:(last_idx*(self.neg_ratio*2+1)),:] = np.tile(self.new_triples[:last_idx,:], (self.neg_ratio*2, 1))83 self.new_labels[last_idx:(last_idx*(self.neg_ratio*2+1))] = np.tile(self.new_labels[:last_idx], self.neg_ratio*2)84 for i in range(last_idx):85 for j in range(self.neg_ratio):86 cur_idx = i * self.neg_ratio + j87 if rdm_choices[cur_idx] < 0.5:88 self.new_triples[last_idx + cur_idx, 0] = rdm_entities[cur_idx]89 else:90 self.new_triples[last_idx + cur_idx, 2] = rdm_entities[cur_idx]91 self.new_labels[last_idx + cur_idx] = -192 offset = cur_idx + 193 for i in range(last_idx):94 for j in range(self.neg_ratio):95 cur_idx = i * self.neg_ratio + j96 self.new_triples[last_idx + offset + cur_idx, 1] = rdm_relations[cur_idx]97 self.new_labels[last_idx + offset + cur_idx] = -198 last_idx += offset + cur_idx + 199 train = {100 "heads": self.new_triples[:last_idx,0], 101 "relations": self.new_triples[:last_idx,1],102 "tails": self.new_triples[:last_idx,2], 103 "labels": self.new_labels[:last_idx]104 }...

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depth_correction.py

Source:depth_correction.py Github

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1import math23from reference import read_chrom_sizes456def write_corrected_bedgraph(input_bedgraph, chrom_sizes, output_bedgraph,7 y_int, scalar, mean_log, sd_log, slope):8 '''9 Correct values in a depth bedGraph file.1011 Correction is performed using the sum of a log-normal cumulative12 distribution function and linear function.13 '''14 def print_line(chromosome, start, end, value, OUT):15 if value: # Only prints non-zero values16 OUT.write(17 '{}\t{}\t{}\t{}\n'.format(18 chromosome,19 str(start - 1),20 str(end),21 str(value),22 )23 )2425 last_pos = None26 last_val = None27 last_chr = None28 last_start = None2930 with open(input_bedgraph) as f, open(output_bedgraph, 'w') as OUT:31 for line in f:32 chromosome, start, end, coverage = line.strip().split()[:4]33 start = int(start) + 1 # Convert from zero-based34 end = int(end)3536 for position in range(start, end + 1):37 relative_pos = min(38 position - 1, chrom_sizes[chromosome] - position)39 if relative_pos == 0:40 relative_pos = 14142 corr = float(coverage) / (43 scalar * (44 0.545 + 0.5 * math.erf(46 (mean_log - math.log(relative_pos))47 / (math.sqrt(2) * sd_log)48 )49 ) + y_int + (slope * relative_pos)50 )51 value = int(math.floor(corr))5253 if not last_chr and not last_val and not last_pos and \54 not last_start:5556 last_pos = position57 last_val = value58 last_chr = chromosome59 last_start = position6061 else:6263 if chromosome != last_chr or value != last_val or \64 position != last_pos + 1:6566 print_line(67 last_chr, last_start, last_pos, last_val, OUT)68 last_start = position6970 last_pos = position71 last_val = value72 last_chr = chromosome73 ...

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thing_utils.py

Source:thing_utils.py Github

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1from datetime import datetime2import pytz3def make_last_modified():4 last_modified = datetime.now(pytz.timezone('GMT'))5 last_modified = last_modified.replace(microsecond = 0)6 return last_modified7def last_modified_key(thing, action):8 return 'last_%s_%s' % (str(action), thing._fullname)9def last_modified_date(thing, action):10 """Returns the date that should be sent as the last-modified header."""11 from pylons import g12 cache = g.permacache13 key = last_modified_key(thing, action)14 last_modified = cache.get(key)15 if not last_modified:16 #if there is no last_modified, add one17 last_modified = make_last_modified()18 cache.set(key, last_modified)19 return last_modified20def set_last_modified(thing, action):21 from pylons import g22 key = last_modified_key(thing, action)...

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Using AI Code Generation

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1import { configure } from '@storybook/react'2const req = require.context('../src', true, /\.stories\.js$/)3function loadStories() {4 req.keys().forEach(filename => req(filename))5}6configure(loadStories, module)7import { configure } from '@storybook/react'8const req = require.context('../src', true, /\.stories\.js$/)9function loadStories() {10 req.keys().forEach(filename => req(filename))11}12configure(loadStories, module)13import { configure } from '@storybook/react'14const req = require.context('../src', true, /\.stories\.js$/)15function loadStories() {16 req.keys().forEach(filename => req(filename))17}18configure(loadStories, module)19import { configure } from '@storybook/react'20const req = require.context('../src', true, /\.stories\.js$/)21function loadStories() {22 req.keys().forEach(filename => req(filename))23}24configure(loadStories, module)25import { configure } from '@storybook/react'26const req = require.context('../src', true, /\.stories\.js$/)27function loadStories() {28 req.keys().forEach(filename => req(filename))29}30configure(loadStories, module)31import { configure } from '@storybook/react'32const req = require.context('../src', true, /\.stories\.js$/)33function loadStories() {34 req.keys().forEach(filename => req(filename))35}36configure(loadStories, module)37import { configure } from '@storybook/react'38const req = require.context('../src', true, /\.stories\.js$/)39function loadStories() {40 req.keys().forEach(filename => req(filename))41}42configure(loadStories, module)43import { configure } from '@storybook/react'44const req = require.context('../src', true, /\.stories\.js$/)45function loadStories() {46 req.keys().forEach(filename => req(filename))47}48configure(loadStories, module)49import { configure } from '@storybook/react'50const req = require.context('../src', true, /\.stories\.js$/)51function loadStories() {52 req.keys().forEach

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Using AI Code Generation

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1import { storiesOf } from '@storybook/react'2import { withKnobs, text, boolean, number } from '@storybook/addon-knobs'3import { withInfo } from '@storybook/addon-info'4import { withNotes } from '@storybook/addon-notes'5import { withReadme } from 'storybook-readme'6import StoryRouter from 'storybook-react-router'7import { withViewport } from '@storybook/addon-viewport'8import { withA11y } from '@storybook/addon-a11y'9import { withConsole } from '@storybook/addon-console'10storiesOf('Components', module)11 .addDecorator(withKnobs)12 .addDecorator(withInfo)13 .addDecorator(withNotes)14 .addDecorator(withReadme)15 .addDecorator(StoryRouter())16 .addDecorator(withViewport)17 .addDecorator(withA11y)18 .addDecorator((storyFn, context) => withConsole()(storyFn)(context))19 .add('Button', () => <Button>Hello Button</Button>)20import { configure, addDecorator } from '@storybook/react'21import { withKnobs } from '@storybook/addon-knobs'22import { withInfo } from '@storybook/addon-info'23import { withNotes } from '@storybook/addon-notes'24import { withReadme } from 'storybook-readme'25import StoryRouter from 'storybook-react-router'26import { withViewport } from '@storybook/addon-viewport'27import { withA11y } from '@storybook/addon-a11y'28import { withConsole } from '@storybook/addon-console'29const req = require.context('../src/components', true, /\.story\.js$/)30function loadStories() {31 req.keys().forEach(filename => req(filename))32}33addDecorator(withKnobs)34addDecorator(withInfo)35addDecorator(withNotes)36addDecorator(withReadme)37addDecorator(StoryRouter())38addDecorator(withViewport)39addDecorator(withA11y)40addDecorator((storyFn, context) => withConsole()(storyFn)(context))41configure(loadStories, module)42const path = require('path')43module.exports = async ({ config }) => {44 config.module.rules.push({45 test: /\.(ts|tsx)$/,46 {47 loader: require.resolve('awesome-typescript-loader'),48 },49 {50 loader: require.resolve('react

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Using AI Code Generation

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1import { storiesOf } from 'storybook-root';2const stories = storiesOf('test', module);3 .add('test', () => <div>test</div>)4 .add('test2', () => <div>test2</div>);5import 'storybook-root';6const { resolve } = require('path');7const { getStorybookRoot } = require('storybook-root');8module.exports = {9 resolve: {10 alias: {11 'storybook-root': resolve(__dirname, getStorybookRoot()),12 },13 },14};15### `getStorybookRoot()`16### `getStorybookRootSync()`17[MIT](LICENSE)

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Using AI Code Generation

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1require('storybook-root-require')(__dirname);2const { configure } = require('@storybook/react');3configure(require.context('../src', true, /\.stories\.js$/), module);4require('storybook-root-require/register');5require('storybook-root-require/register');6const { configure } = require('@storybook/react');7configure(require.context('../src', true, /\.stories\.js$/), module);8require('storybook-root-require')(__dirname);9require('storybook-root-require')(__dirname);

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Using AI Code Generation

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1import { last } from "storybook-root";2const arr = [1, 2, 3, 4];3const lastItem = last(arr);4import { last } from "storybook-root";5const arr = [1, 2, 3, 4];6const lastItem = last(arr);7import { last } from "storybook-root";8const arr = [1, 2, 3, 4];9const lastItem = last(arr);10import { last } from "storybook-root";11const arr = [1, 2, 3, 4];12const lastItem = last(arr);13import { last } from "storybook-root";14const arr = [1, 2, 3, 4];15const lastItem = last(arr);16import { last } from "storybook-root";17const arr = [1, 2, 3, 4];18const lastItem = last(arr);19import { last } from "storybook-root";20const arr = [1, 2, 3, 4];21const lastItem = last(arr);22import { last } from "storybook-root";23const arr = [1, 2, 3, 4];24const lastItem = last(arr);25import { last } from "storybook-root";26const arr = [1, 2, 3, 4];27const lastItem = last(arr);

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Using AI Code Generation

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1const { last } = require('storybook-root');2const { someMethod } = require('storybook-root');3const storybookRoot = require('storybook-root');4module.exports = {5 last: require('./src/last'),6 someMethod: require('./src/someMethod'),7 default: require('./src')8};9module.exports = function last(arr) {10 return arr[arr.length - 1];11};12module.exports = function someMethod() {13 return 'someMethod';14};15module.exports = {16 last: require('./last'),17 someMethod: require('./someMethod')18};19module.exports = {20 last: require('./last'),21 someMethod: require('./someMethod')22};23const storybookRoot = require('storybook-root');24describe('storybook-root', () => {25 test('should export the last method', () => {26 expect(storybookRoot.last).toBeDefined();27 });28 test('should export the someMethod method', () => {29 expect(storybookRoot.someMethod).toBeDefined();30 });31 test('should export the last method as the default export', () => {32 expect(storybookRoot.default.last).toBeDefined();33 });34 test('should export the someMethod method as the default export', () => {35 expect(storybookRoot.default.someMethod).toBeDefined();36 });37});38const storybookRoot = require('storybook-root');39describe('storybook-root', () => {40 test('should export the last method', () => {41 expect(storybookRoot.last).toBeDefined();42 });43 test('should export the someMethod method', () => {44 expect(storybookRoot.someMethod).toBeDefined();45 });46 test('should export the last method as the default export', () => {47 expect(storybookRoot.default.last).toBeDefined();48 });49 test('should export the someMethod method as the default export', () => {50 expect(storybookRoot.default.someMethod).toBeDefined();51 });52});53const storybookRoot = require('storybook-root');54describe('storybook-root', () => {55 test('should export the last method',

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