How to use le_strategy method in pandera

Best Python code snippet using pandera_python

test_strategies.py

Source: test_strategies.py Github

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...118 assert (119 data.draw(strategies.lt_strategy(data_type, max_value=value)) < value120 )121 assert (122 data.draw(strategies.le_strategy(data_type, max_value=value)) <= value123 )124def value_ranges(data_type: pa.DataType):125 """Strategy to generate value range based on PandasDtype"""126 kwargs = dict(127 allow_nan=False,128 allow_infinity=False,129 exclude_min=False,130 exclude_max=False,131 )132 return (133 st.tuples(134 strategies.pandas_dtype_strategy(135 data_type, strategy=None, **kwargs136 ),...

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train.py

Source: train.py Github

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1import pandas as pd 2from sklearn_pandas import DataFrameMapper3import sys4class Train:5 def __init__(self, aCSVTrain, aCSVTest, aCSVResult):6 self.arqCSVTrain = aCSVTrain 7 self.arqCSVTest = aCSVTest8 self.arqCSVResult = aCSVResult9 self.df = pd.read_csv(aCSVTrain)10 self.df_final = pd.read_csv(aCSVTrain)11 def getDeckComplete(self):12 return self.df_final.to_json(orient='records')13 def arqResultExiste(self):14 try: 15 os.path.isfile(self.arqCSVResult)16 self.df_final = pd.read_csv(self.arqCSVResult)17 return True18 except:19 return False20 def findCardById(self, id): 21 return self.df_final[self.df_final.id==id].to_json(orient='records')22 def fit(self):23 #criando uma variavel auxiliar pra manipular o Dataframe Original (challenge_train)24 inputs = self.df25 # importando a biblioteca LabelEncoder, para transformar labels em números inteiros. 26 from sklearn.preprocessing import LabelEncoder27 #Criando as variaveis de manipulação dos labels28 le_type = LabelEncoder()29 le_god = LabelEncoder()30 le_strategy = LabelEncoder()31 inputs['type_n'] = le_type.fit_transform(inputs['type'])32 inputs['god_n'] = le_god.fit_transform(inputs['god'])33 inputs['strategy_n'] = le_strategy.fit_transform(inputs['strategy'])34 #Retirando a coluna alvo35 inputs = self.df.drop('strategy', axis = 'columns')36 #Criando um novo Dataframe somente com a coluna alvo, a que queremos "aprender"37 target = self.df['strategy_n']38 #Retirando do Dataframe de entradas a coluna alvo39 inputs = inputs.drop('strategy_n', axis = 'columns')40 #Retirando do Dataframe as colunas que são do tipo labels e que não agregam na árvore de decisão que usaremos a seguir41 inputs_n = inputs.drop(['id','name','type','god'], axis='columns')42 #importando a biblioteca de árvore43 from sklearn import tree44 #Criando uma variável modelo de árvore de decisão45 model = tree.DecisionTreeClassifier()46 #Ensinando o modelo a partir dos resultados47 model.fit(inputs_n.values, target)48 #model.score(inputs_n,target) # como os dados de entrada são os mesmos do de validação, o score é 149 #Cria um DF com os dados de test50 df_test = pd.read_csv(self.arqCSVTest)51 52 #Cria colunas inteiras a partir das colunas labels53 df_test['type_n'] = le_type.fit_transform(df_test['type'])54 df_test['god_n'] = le_god.fit_transform(df_test['god'])55 #Cria o DF result com a coluna strategy preenchida a partir dos dados aprendidos no modelo56 df_result = df_test57 df_result['strategy'] = df_test['name']58 alist = []59 for indice, linha in df_result.iterrows(): 60 card = [linha.mana, linha.attack, linha.health, le_type.transform([linha.type])[0], le_god.transform([linha.god])[0]]61 prev = le_strategy.inverse_transform(model.predict([card]))[0]62 alist.append(prev)63 df_result['strategy'] = alist64 #Cria um novo DF result sem as colunas auxiliares criadas dos labels type e god65 df_result_f = df_result.drop(['type_n','god_n'], axis = 'columns')66 #Cria um novo DF dos dados de train sem as colunas auxiliares criadas dos labels type e god67 df_f = self.df.drop(['type_n','god_n', 'strategy_n'], axis = 'columns')68 #Cria um novo DF com os dados dos dois DF, os dos dados de train e dos dados de test69 self.df_final = pd.concat([df_f, df_result_f])70 #Exporta o DF criado para um arquivo CSV 71 self.df_final.to_csv(self.arqCSVResult, encoding = 'utf-8', index=False)72 73def main(args):74 train = Train(args[1], args[2], args[3])75 76 train.fit()77 return 078if __name__ == '__main__':...

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