Created
August 3, 2018 21:24
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# | |
import numpy as np | |
import pandas as pd | |
from sklearn.preprocessing import MinMaxScaler, Imputer | |
from sklearn.linear_model import LogisticRegression | |
data = pd.read_csv('input/application_train.csv') | |
y_train = data['TARGET'] | |
X_train = data.drop(columns = ['SK_ID_CURR', 'TARGET']) | |
test = pd.read_csv('input/application_test.csv') | |
submission = test[['SK_ID_CURR']] | |
X_test = test.drop(columns = ['SK_ID_CURR']) | |
# one-hot encoding | |
X_train = pd.get_dummies(X_train) | |
X_test = pd.get_dummies(X_test) | |
# align | |
X_train, X_test = X_train.align(X_test, join = 'inner', axis = 1) | |
# missing values | |
X_train = Imputer(strategy='median').fit_transform(X_train) | |
X_test = Imputer(strategy='median').fit_transform(X_test) | |
# Scaling | |
X_train = MinMaxScaler(feature_range = (0, 1)).fit_transform(X_train) | |
X_test = MinMaxScaler(feature_range = (0, 1)).fit_transform(X_test) | |
# train and predict | |
clf = LogisticRegression().fit(X_train, y_train) | |
y_pred = clf.predict_proba(X_test)[:, 1] | |
# submit | |
submission['TARGET'] = y_pred | |
print(submission.head()) | |
submission.to_csv('benchmark.csv', index = False) |
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