Kaggle competition: BNP Paribas Cardif Claims Management
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print('Load data...')
 train = pd.read_csv(".. /input/train.csv")
 target = train['target'].values
train = train.drop(['ID','target','v8','v23','v25','v31','v36','v37','v46','v51','v53','v54','v63','v73','v75','v79','v81','v82','v89','v92','v95','v105','v107','v108','v109','v110','v116','v117','v118','v119','v123','v124','v128'],axis=1)
 test = pd.read_csv(".. /input/test.csv")
 id_test = test['ID'].values
test = test.drop(['ID','v8','v23','v25','v31','v36','v37','v46','v51','v53','v54','v63','v73','v75','v79','v81','v82','v89','v92','v95','v105','v107','v108','v109','v110','v116','v117','v118','v119','v123','v124','v128'],axis=1)
 print('Clearing...')
 for(train_name, train_series),(test_name, test_series)in zip(train.iteritems() ,test.iteritems()):
if train_series.dtype == 'O':
train[train_name], tmp_indexer = pd.factorize(train[train_name])
 test[test_name] = tmp_indexer.get_indexer(test[test_name])
 else:
tmp_len = len(train[train_series.isnull() ])
 if tmp_len>0:
train.loc[train_series.isnull() , train_name] = -999
tmp_len = len(test[test_series.isnull() ])
 if tmp_len>0:
test.loc[test_series.isnull() , test_name] = -999
X_train = train
X_test = test
print('Training...')
 extc = ExtraTreesClassifier(n_estimators=850,max_features= 60,criterion= 'entropy',min_samples_split= 4,
max_depth= 40, min_samples_leaf= 2, n_jobs = -1)
 extc.fit(X_train,target)
 print('Predict...')
 y_pred = extc.predict_proba(X_test)
 pd.DataFrame({"ID": id_test, "PredictedProb": y_pred[:,1]} ).to_csv('extra_trees.csv',index=False )