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How to use test_given method in pytest-bdd

Best Python code snippet using pytest-bdd_python

rand_forr2.py

Source:rand_forr2.py

1#Joseph Day2#3/5/173#Cleaning the data and building a classifier 4import random5import csv6import pandas as pd7import pickle8import numpy as np9import sklearn10from sklearn.metrics import roc_auc_score11from sklearn.metrics import accuracy_score12from sklearn.ensemble import GradientBoostingClassifier as gbc13from sklearn.ensemble import RandomForestClassifier as rfc14df_tour = pd.read_csv('TourneyCompactResults.csv')15df_tour.drop(labels=['Daynum', 'Wscore', 'Lscore', 'Wloc', 'Numot'], inplace=True, axis=1)16df_teams = pd.read_csv('season_averages.csv')17df_seeds = pd.read_csv('TourneySeeds.csv')18def seed_to_int(seed):19    """Get just the digits from the seeding. Return as int"""20    s_int = int(seed[1:3])21    return s_int22df_seeds['n_seed'] = df_seeds.Seed.apply(seed_to_int)23df_seeds.drop(labels=['Seed'], inplace=True, axis=1) 24df_teams['fgp'] = df_teams['fgm']/df_teams['fga']25df_teams['3p'] = df_teams['fgm3']/df_teams['fga3']26df_teams['ftp'] = df_teams['ftm']/df_teams['fta']27#df_teams['seed'] = df_seeds['n_seed']28df_winseeds = df_seeds.rename(columns={'Team':'Wteam', 'n_seed':'win_seed'})29df_lossseeds = df_seeds.rename(columns={'Team':'Lteam', 'n_seed':'loss_seed'})30df_dummy = pd.merge(left=df_tour, right=df_winseeds, how='left', on=['Season', 'Wteam'])31#print(df_dummy.head)32df_concat1 = pd.merge(left=df_dummy, right=df_lossseeds, on=['Season', 'Lteam'])33df_concat1['seed_diff'] = df_concat1.win_seed - df_concat1.loss_seed34#print(df_concat.head)35#df_teams = pd.merge(left=df_teams, right=df_concat, how='left', on=['Season', 'Wteam'])36df_winteams = df_teams.rename(columns={'Team_Id':'Wteam', 'score':'w_score', 'fgp':'w_fgp', '3p':'w_3p',37                'ftp':'w_ftp', 'or':'w_or', 'dr':'w_dr', 'ast':'w_ast', 'to':'w_to', 'stl':'w_stl','blk':'w_blk',38                'pf':'w_pf'})39df_lossteams = df_teams.rename(columns={'Team_Id':'Lteam', 'score':'l_score','fgp':'l_fgp', '3p':'l_3p',40                'ftp':'l_ftp', 'or':'l_or', 'dr':'l_dr', 'ast':'l_ast', 'to':'l_to', 'stl':'l_stl','blk':'l_blk',41                'pf':'l_pf'})42df_dummy = pd.merge(left=df_tour, right=df_winteams, how='left', on=['Season', 'Wteam'])43df_concat = pd.merge(left=df_dummy, right=df_lossteams, on=['Season', 'Lteam'])44df_concat.drop(labels=['Unnamed: 0_x', 'Unnamed: 0_y', 'fgm_x', 'fgm_y', 'fga_x', 'fga_y',45                'fgm3_x', 'fgm3_y', 'fga3_x', 'fga3_y', 'ftm_x', 'ftm_y', 'fta_y', 'fta_x',46                'Team_Name_x', 'Team_Name_y'], inplace=True, axis=1) # This is the string label47df_concat = pd.merge(left=df_concat, right = df_concat1, how='left', on=['Season', 'Wteam', 'Lteam'])48#print(df_concat.head)49df_concat.drop(labels=['win_seed','loss_seed'], inplace=True, axis=1) 50df_concat['pt_diff'] = df_concat.w_score - df_concat.l_score51df_concat['ast_diff'] = df_concat.w_ast - df_concat.l_ast52df_concat['or_diff'] = df_concat.w_or - df_concat.l_or53df_concat['dr_diff'] = df_concat.w_dr - df_concat.l_dr54df_concat['to_diff'] = df_concat.w_to - df_concat.l_to55df_concat['stl_diff'] = df_concat.w_stl - df_concat.l_stl56df_concat['blk_diff'] = df_concat.w_blk - df_concat.l_blk57df_concat['pf_diff'] = df_concat.w_pf - df_concat.l_pf58df_concat['fgp_diff'] = df_concat.w_fgp - df_concat.l_fgp59df_concat['3p_diff'] = df_concat.w_3p - df_concat.l_3p60df_concat['ftp_diff'] = df_concat.w_ftp - df_concat.l_ftp61#df_concat['seed_diff'] = df_concat.w_seed - df_concat.l_seed62df_wins = df_concat[['pt_diff', 'ast_diff', 'or_diff', 'dr_diff', 'to_diff', 'stl_diff', 'blk_diff',63'pf_diff', 'fgp_diff', '3p_diff', 'ftp_diff', 'seed_diff', 'Season', 'Wteam', 'Lteam']]64df_wins['result'] = 165df_losses = -df_concat[['pt_diff', 'ast_diff', 'or_diff', 'dr_diff', 'to_diff', 'stl_diff', 'blk_diff',66'pf_diff', 'fgp_diff', '3p_diff', 'ftp_diff', 'seed_diff', 'Season', 'Wteam', 'Lteam']]67df_losses['result'] = 068df_for_predictions = pd.concat((df_wins, df_losses))69columns = df_for_predictions.columns.tolist()70columns = columns[:-4]71given_data = df_for_predictions.as_matrix(columns = columns)72target_data = np.array(df_for_predictions['result'].tolist())73clf = gbc(n_estimators = 10)74clf = clf.fit(given_data, target_data)75#76df_sample_sub = pd.read_csv('sample_submission.csv')77n_test_games = len(df_sample_sub)78def get_year_t1_t2(id):79    """Return a tuple with ints `year`, `team1` and `team2`."""80    return (int(x) for x in id.split('_'))81X_test = np.zeros(shape=(n_test_games, 12))82for ii, row in df_sample_sub.iterrows():83    year, t1, t2 = get_year_t1_t2(row.id)84    # There absolutely must be a better way of doing this!85    t1_score = df_teams[(df_teams.Team_Id == t1) & (df_teams.Season == year)][['score','ast','or','dr','to','stl','blk','pf','fgp','3p','ftp']].values[0]86    t2_score = df_teams[(df_teams.Team_Id == t2) & (df_teams.Season == year)][['score','ast','or','dr','to','stl','blk','pf','fgp','3p','ftp']].values[0]87    t1_seed = df_seeds[(df_seeds.Team == t1) & (df_seeds.Season == year)].n_seed.values[0]88    t2_seed = df_seeds[(df_seeds.Team == t2) & (df_seeds.Season == year)].n_seed.values[0]89    for i in range(0,11):90        #diff_score.append(t1_score[i] - t2_score[i])91        X_test[ii, i] = t1_score[i] - t2_score[i]92    X_test[ii,11]= t1_seed - t2_seed93preds = clf.predict_proba(X_test)94clipped_preds = np.clip(preds, 0.05, 0.95)95df_sample_sub.pred = preds96df_sample_sub.head()97df_sample_sub.to_csv('rand_forr5.csv', index=False)98def calc_errors(forest, test_file):99    '''Calculates typeI and typeII errors,100    useful in ensuring not too many of either101    '''102    clf = forest103    test_given, test_target = process(test_file, 'responded')104    predictions = clf.predict(test_given)105    typeI = 0106    typeII = 0107    total = 0108    for i in range(1, len(test_target)):109        if predictions[i] == test_target[i]:110            pass111        else:112            if predictions[i] == 'yes':113                typeI += 1114            else: 115                typeII += 1116        total+=1117    typeI = typeI/total118    typeII = typeII/total119    return typeI,typeII120def roc_auc(forest, test_file):121    '''Returns area under ROC curve for 122    classifier provided / built from test data provided123    '''124    clf = forest125    test_given, test_target = process(test_file, 'responded')126    predictions = clf.predict_proba(test_given)127    test_target = pd.DataFrame(test_target)128    test_target.replace(['yes', 'no'], [1,0], inplace=True)129    test_target = np.array(test_target[0].tolist())130    predictions = predictions[:,1]131    return roc_auc_score(test_target, predictions)132def score(forest, test_file):133    '''Function takes in a forest/gbc and a test file134    and returns various metrics for evaluation135    '''136    roc_score = roc_auc(forest, test_file)137    test_given, test_target = process(test_file, 'responded')138    predictions = forest.predict(test_given)139    140    typeI, typeII = calc_errors(forest, test_file)141    accuracy = accuracy_score(test_target, predictions)142    143    print("Roc_Auc_Score is ", roc_score)144    print("Type I Error Rate is ", typeI)145    print("Type II Error Rate is ", typeII)...

analyze.py

Source:analyze.py

1import numpy as np2ratio = 0.9; train_ratio = int(ratio*50)3feature_name = ['annual police funding in $/resident', '% of people 25 years+ with 4 yrs. of high school', '% of 16 to 19 year-olds not in highschool and not highschool graduates', '% of 18 to 24 year-olds in college', '% of people 25 years+ with at least 4 years of college']4train_x = []; test_x = []; train_total = []; test_total = []; train_violent = []; test_violent = []5with open('data.txt', 'r') as to_read:6	did_read = to_read.readlines()7	for line in did_read[:int(ratio*50)]:8		train_x.append(map(lambda x: np.float64(x), line.split()[2:]))9		train_total.append(np.float64(line.split()[0]))10		train_violent.append(np.float64(line.split()[1]))11	for line in did_read[int(ratio*50):]:12		test_x.append(map(lambda x: np.float64(x), line.split()[2:]))13		test_total.append(np.float64(line.split()[0]))14		test_violent.append(np.float64(line.split()[1]))15#print("test_total:"); print(test_total); print(type(test_total))16train_x = np.matrix([d for d in train_x], dtype = float)17test_x = np.matrix([d for d in test_x], dtype = float)18train_total = np.matrix([d for d in train_total], dtype = float)19train_violent = np.matrix([d for d in train_violent], dtype = float)20test_total = np.matrix([d for d in test_total], dtype = float)21test_violent = np.matrix([d for d in test_violent], dtype = float)22#train_x = np.matrix(train_x)23#print(train_x_temp == train_x)24#test_x = np.matrix(test_x)25#train_total = np.matrix(train_total)26#test_total = np.matrix(test_total)27#train_violent = np.matrix(train_violent)28#test_violent = np.matrix(test_violent)29#print("test_total:"); print(test_total); print(type(test_total))30train_x -= np.mean(train_x, 0)31train_x /= np.sqrt(np.sum(np.square(train_x), 0))32test_x -= np.mean(test_x, 0)33test_x /= np.sqrt(np.sum(np.square(test_x), 0))34train_total -= np.mean(train_total)35train_violent -= np.mean(train_violent)36test_total -= np.mean(test_total)37test_violent -= np.mean(test_violent)38#-------------------------------------------------------------------------------------------------------------39def calc_beta(test_given, train_given):40	beta = np.zeros((1000, 5, 1), dtype = float)41	#y = np.zeros((1000, len(test_given), 1), dtype = float)42	y = []43	mse = np.zeros((1000, 1), dtype = float)44	lambdas = np.logspace(-10, 1, 1000)45	#print('train length = {}, test length = {}'.format(len(train_x), len(test_x)))46	for i in range(len(lambdas)):47		beta[i] = (train_x.T*train_x + lambdas[i]*np.identity(5)).I*train_x.T*train_given.T48		#print('beta[i] = ', beta[i].shape, type(beta[i]))49		#print('test_given.shape = ',test_given.shape, type(test_given))50		#print('test_x.shape = ',test_x.shape, type(test_x))51		#y[i] = test_given*beta[i]52		#y[i] = test_x*beta[i]53		to_app = []54		for j in range(5):55			tmp = 056			for k in range(5):57				tmp += (float(test_x.item(j,k)) * float(beta[i][k]))58			to_app.append(tmp)59		y.append(to_app)60		#to_app = map(lambda x:[x], to_app)61		#print('to_app:', to_app, type(to_app))62		#y[i] = np.matrix(to_app)63		#print(y[i])	64		#print('np.square(y[i].shape: '),;print(np.square(y[i]).shape)65		#print('test_given.T.shape'),; print(test_given.T.shape)66		acc = []67		for j in range(5):68			acc.append(y[i][j] - test_given.item(j))69		mse[i]= sum(np.square(acc))70		#mse[i] = sum(np.square(y[i] - test_given.T))/len(test_given)71	idx = np.argmin(mse)72	#print(mse)73	#print 'mse: ',; print(mse[idx]); print 'lambda',; print(lambdas[idx])74	return beta[idx]75#-------------------------------------------------------------------------------------------------------------76if __name__ == "__main__":77	beta = calc_beta(test_total, train_total)78	#print('test_x: '); print(test_x); print('')79	#print('beta: '); print(beta); print('')80	#print('test_total: '); print(test_total); print('')81	err = 0; abs_err = 082	print('Total overall reported crime rate per 1 million residents predictions:')83	for i in range(len(np.array(test_total)[0])):84		predicted = 085		for j in range(5):86			predicted += (beta[j] * test_x.item(i,j))87		err += (np.array(test_total)[0][i] - predicted[0])88		abs_err += abs(np.array(test_total)[0][i] - predicted[0])89		print('actual value: {}, predicted value: {}'.format(np.array(test_total)[0][i], predicted[0]))90	print('Total signed error: {}, absolute error per prediction: {}'.format(err, abs_err/5))91	print 'Prediction coefficients: '92	for i in range(5):93		print('{}) {}: {}'.format(i+1, feature_name[i], beta[i][0]))94	print('----------------------------------------------------------------------------------------------------')	95	beta = calc_beta(test_violent, train_violent)96	err = 0; abs_err = 097	print('Reported violent crime rate per 100,000 residents predictions:')98	for i in range(len(np.array(test_total)[0])):99		predicted = 0100		for j in range(5):101			predicted += (beta[j] * test_x.item(i,j))102		err += (np.array(test_violent)[0][i] - predicted[0])103		abs_err += abs(np.array(test_violent)[0][i] - predicted[0])104		print('actual value: {}, predicted value: {}'.format(np.array(test_violent)[0][i], predicted[0]))105	print('Total signed error: {}, absolute error per prediction: {}'.format(err, abs_err/5))106	print 'Prediction coefficients: '107	for i in range(5):...

main.py

Source:main.py

1import argparse2import reader3from keras.models import Sequential4from keras.layers.core import Dense, Activation, Dropout5from keras.layers.recurrent import LSTM6from keras.utils.data_utils import get_file7from keras.layers import Embedding8import json9import numpy as np10import random11import sys12import os13import shutil14import requests15parser = argparse.ArgumentParser()16parser.add_argument("--test", help="path of test.txt file")17args = parser.parse_args()18f=open('word-ix.txt', 'r')19word_to_ix=json.loads(f.read())20f.close()21model = Sequential()22model.add(Embedding(10000, output_dim=64))23model.add(LSTM(100, return_sequences=False))24model.add(Dropout(0.2))25model.add(Dense(10000))26model.add(Activation('softmax'))27model.compile(loss='categorical_crossentropy', optimizer='rmsprop')28if args.test:29    test_given=reader._file_to_word_ids(args.test, word_to_ix)30    maxlen = 1531    step = 532    sentences=[]33    next_words=[]34    for i in range(0,len(test_given)-maxlen, 1):35        sentences2 = (test_given[i: i + maxlen])36        sentences.append(sentences2)37        next_words.append((test_given[i + maxlen]))38    X_test = np.zeros((len(sentences), maxlen))39    y_test = np.zeros((len(sentences)), dtype=np.int32)40    for i, sentence in enumerate(sentences):41        for t, word in enumerate(sentence):42            X_test[i, t] = word43        y_test[i]=next_words[i]44    if os.path.isfile('weights'):45        model.load_weights('weights')46    else:47        print ("Downloading Model ......")48        url = 'https://raw.githubusercontent.com/shivam207/deep_learning/master/prog_asg3/weights/model_cnn.h5'49        response = requests.get(url, stream=True)50        with open('model_cnn.h5', 'w') as out_file:51            shutil.copyfileobj(response.raw, out_file)52    del response53    preds = model.predict(X_test, verbose=0)54    loss = 055    for i, pred in enumerate(preds):56        loss += -pred[y_test[i]]*np.log(pred[y_test[i]])57    print loss58else:59    train_data, valid_data, test_data, vocabulary, word_to_ix = reader.ptb_raw_data("data")60    words = set(train_data)61    words.union(valid_data)62    words.union(test_data)63    maxlen = 1564    step = 565    print("maxlen:",maxlen,"step:", step)66    sentences = []67    next_words = []68    sentences2=[]69    for i in range(0,len(train_data)-maxlen, step):70        sentences2 = (train_data[i: i + maxlen])71        sentences.append(sentences2)72        next_words.append((train_data[i + maxlen]))73    print('nb sequences(length of sentences):', len(sentences))74    print("length of next_word",len(next_words))75    print('Vectorization...')76    X = np.zeros((len(sentences), maxlen))77    y = np.zeros((len(sentences), len(words)), dtype=np.bool)78    for i, sentence in enumerate(sentences):79        for t, word in enumerate(sentence):80            #print(i,t,word)81            X[i, t] = word82        y[i, next_words[i]] = 183    for iteration in range(1, 300):84        print()85        print('-' * 50)86        print('Iteration', iteration)87        model.fit(X, y, batch_size=200 ,nb_epoch=2)...

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