kernel_id
int64
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completetion
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stringlengths
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1,276,329
def conv3x3(in_planes, out_planes, stride=1, padding=1): return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=padding, bias=False) def conv1x1(in_planes, out_planes, stride=1): return nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride, bias=False) class SSELayer(nn.Module): def __i...
if run_mode == 'LGBM_KFold': folds = KFold(n_splits=10, shuffle=True, random_state=1024) oof_preds = np.zeros(train.shape[0]) sub_preds = np.zeros(test.shape[0]) feature_importance = pd.DataFrame() feats = train.columns start = time() for n_fold,(train_index, valid_index)in enumerate(folds.split(train, target)) : tr...
Home Credit Default Risk
1,276,329
class AverageMeter: def __init__(self): self.reset() def reset(self): self.val = 0.0 self.avg = 0.0 self.sum = 0.0 self.count = 0 def update(self, val, n=1): self.val = val self.sum += val * n self.count += n self.avg = self.sum / self.count def accuracy_score_torch(y_pred, y): y_pred = torch.argmax(y_pred, axis=1 ).cp...
if run_mode == 'LGBM_KFold': submission = pd.DataFrame() submission['SK_ID_CURR'] = test_id submission['TARGET'] = sub_preds submission.to_csv('LGBM_SKFold.csv', index=False )
Home Credit Default Risk
1,276,329
def train( params, model, optimizer, criterion, dataloader, parent_bar=None, ): model.train() losses = AverageMeter() metrics = AverageMeter() for x, y in progress_bar(dataloader, parent=parent_bar): x = x.to(dtype=torch.float32, device=DEVICE) y = y.to(dtype=torch.long, device=DEVICE) optimizer.zero_grad() y_pred ...
if run_mode == 'train_estimator_RFR': estimator = RandomForestRegressor(n_estimators=125, max_features=0.2, min_samples_split=2, min_samples_leaf=75, n_jobs=-1, random_state=42, verbose=0) print(" Preparing to train the following estimator: {}".format(estimator)) start = time() estimator.fit(X_train, y_train) end = t...
Home Credit Default Risk
1,276,329
<split><EOS>
if 'train_estimator_' in run_mode: pred_test = estimator.predict(test) print(" Preparing prediction for submission.") submission = pd.DataFrame() submission['SK_ID_CURR'] = test_id submission['TARGET'] = pred_test submission.head() file_name = run_mode.split('train_estimator_')[1] + '.csv' submission.to_csv(file_name...
Home Credit Default Risk
1,185,243
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<compute_test_metric>
warnings.simplefilter(action='ignore', category=FutureWarning) py.init_notebook_mode(connected=True) %matplotlib inline cf.go_offline()
Home Credit Default Risk
1,185,243
cv_score = accuracy_score(train_df[TARGET], np.argmax(oof, axis=1)) logger.info(f'CV: {cv_score:.5f}' )<categorify>
def one_hot_encoder(df, nan_as_category = True): original_columns = list(df.columns) categorical_columns = [col for col in df.columns if df[col].dtype == 'object'] df = pd.get_dummies(df, columns= categorical_columns, dummy_na= nan_as_category) new_columns = [c for c in df.columns if c not in original_columns] return...
Home Credit Default Risk
1,185,243
test_transform = A.Compose([ A.Resize(IMSIZE, IMSIZE, p=1), A.Normalize(( 0.485, 0.456, 0.406),(0.229, 0.224, 0.225)) , ToTensorV2() , ]) test_dataloader = get_dataloader( submission_df[ID].apply(lambda x: os.path.join(PATH['test_image_dir'], x)) , submission_df[TARGET], transform=test_transform, with_memory_cache=Tr...
num_rows = None nan_as_category = True
Home Credit Default Risk
1,185,243
predictions = np.zeros(( len(submission_df), 10)) for state_dict in best_state_dicts: model = Model().to(DEVICE) model.load_state_dict(state_dict) model.eval() _predictions = [] for x, _ in test_dataloader: x = x.to(dtype=torch.float32, device=DEVICE) with torch.no_grad() : y_pred = model(x) _predictions.append(y_p...
print("Start Train Test................." )
Home Credit Default Risk
1,185,243
np.save('oof', oof) np.save('predictions', predictions) saved_best_state_dicts = {} for i, bsd in enumerate(best_state_dicts): saved_best_state_dicts[f'f{i}'] = bsd torch.save(saved_best_state_dicts, 'best_state_dicts.pth') submission_df[TARGET] = np.argmax(predictions, axis=1 ).tolist()<save_to_csv>
df = pd.read_csv('.. /input/application_train.csv', nrows= num_rows) test_df = pd.read_csv('.. /input/application_test.csv', nrows= num_rows) print("Train samples: {}, test samples: {}".format(len(df), len(test_df))) df = df.append(test_df ).reset_index() del test_df gc.collect()
Home Credit Default Risk
1,185,243
submission_df.to_csv('submission.csv', index=False) FileLink('submission.csv' )<load_from_csv>
for bin_feature in ['CODE_GENDER', 'FLAG_OWN_CAR', 'FLAG_OWN_REALTY']: df[bin_feature], uniques = pd.factorize(df[bin_feature]) df, cat_cols = one_hot_encoder(df, nan_as_category) df['DAYS_EMPLOYED'].replace(365243, np.nan, inplace= True )
Home Credit Default Risk
1,185,243
train_users_game1 = pd.read_csv('/kaggle/input/ds2019uec-task2/train_users_game1.csv') train_users_game2 = pd.read_csv('/kaggle/input/ds2019uec-task2/train_users_game2.csv') test_users_game1 = pd.read_csv('/kaggle/input/ds2019uec-task2/test_users_game1.csv') test_user_ids = pd.read_csv('/kaggle/input/ds2019uec-task2...
df['DAYS_EMPLOYED_PERC'] = df['DAYS_EMPLOYED'] / df['DAYS_BIRTH'] df['INCOME_CREDIT_PERC'] = df['AMT_INCOME_TOTAL'] / df['AMT_CREDIT'] df['INCOME_PER_PERSON'] = df['AMT_INCOME_TOTAL'] / df['CNT_FAM_MEMBERS'] df['ANNUITY_INCOME_PERC'] = df['AMT_ANNUITY'] / df['AMT_INCOME_TOTAL']
Home Credit Default Risk
1,185,243
users_game1 = pd.concat([train_users_game1, test_users_game1] ).drop(['play_hour'], axis=1 ).drop_duplicates() users_game1['label'] = 1<concatenate>
a = df['DAYS_EMPLOYED_PERC'].tolist() a = [x for x in a if str(x)!= 'nan'] b = df['INCOME_CREDIT_PERC'].tolist() b = [x for x in b if str(x)!= 'nan'] c = df['INCOME_PER_PERSON'].tolist() c = [x for x in c if str(x)!= 'nan'] d = df['ANNUITY_INCOME_PERC'].tolist() d = [x for x in d if str(x)!= 'nan']
Home Credit Default Risk
1,185,243
user_ids = pd.concat([train_users_game1['user_id'], train_users_game2['user_id'], test_user_ids['user_id']] ).unique()<drop_column>
print("End Train Test.................. " )
Home Credit Default Risk
1,185,243
users_game1_matrix = users_game1.set_index(['user_id', 'game_title'])['label'].unstack().reindex(user_ids ).fillna(0 )<concatenate>
print("Start Bureau................ " )
Home Credit Default Risk
1,185,243
train_user_ids = pd.concat([train_users_game1['user_id'], train_users_game2['user_id']] ).unique() test_user_ids = test_user_ids['user_id'].values<compute_test_metric>
bureau = pd.read_csv('.. /input/bureau.csv', nrows = num_rows )
Home Credit Default Risk
1,185,243
users_similarity = 1 - cosine_distances(users_game1_matrix.loc[test_user_ids], users_game1_matrix.loc[train_user_ids] )<remove_duplicates>
bb = pd.read_csv('.. /input/bureau_balance.csv', nrows = num_rows) bb, bb_cat = one_hot_encoder(bb, nan_as_category) bureau, bureau_cat = one_hot_encoder(bureau, nan_as_category )
Home Credit Default Risk
1,185,243
users_game2 = train_users_game2.drop(['play_hour', 'predict_game_id'], axis=1 ).drop_duplicates() users_game2['label'] = 1<filter>
bb_aggregations = {'MONTHS_BALANCE': ['min', 'max', 'size']} for col in bb_cat: bb_aggregations[col] = ['mean'] bb_agg = bb.groupby('SK_ID_BUREAU' ).agg(bb_aggregations) bb_agg.columns = pd.Index([e[0] + "_" + e[1].upper() for e in bb_agg.columns.tolist() ]) bureau = bureau.join(bb_agg, how='left', on='SK_ID_BUREAU')...
Home Credit Default Risk
1,185,243
test_users_game2_matrix =(users_similarity @ users_game2_matrix.loc[train_user_ids] )<data_type_conversions>
num_aggregations = { 'DAYS_CREDIT': ['min', 'max', 'mean', 'var'], 'CREDIT_DAY_OVERDUE': ['max', 'mean'], 'DAYS_CREDIT_ENDDATE': ['min', 'max', 'mean'], 'AMT_CREDIT_MAX_OVERDUE': ['mean'], 'CNT_CREDIT_PROLONG': ['sum'], 'AMT_CREDIT_SUM': ['max', 'mean', 'sum'], 'AMT_CREDIT_SUM_DEBT': ['max', 'mean', 'sum'], 'AMT_CREDIT...
Home Credit Default Risk
1,185,243
sample_submission['purchased_games'] = test_users_game2_matrix.apply(lambda x: ' '.join(x.sort_values(ascending=False)[:10].index.astype('str')) , axis=1 )<data_type_conversions>
cat_aggregations = {} for cat in bureau_cat: cat_aggregations[cat] = ['mean'] for cat in bb_cat: cat_aggregations[cat + "_MEAN"] = ['mean'] bureau_agg = bureau.groupby('SK_ID_CURR' ).agg({**num_aggregations, **cat_aggregations}) bureau_agg.columns = pd.Index(['BURO_' + e[0] + "_" + e[1].upper() for e in bureau_agg.col...
Home Credit Default Risk
1,185,243
sample_submission.loc[test_users_game2_matrix.sum(axis=1)== 0, 'purchased_games'] = ' '.join(train_users_game2['predict_game_id'].value_counts(normalize=True ).index.astype('str')[:10] )<save_to_csv>
active = bureau[bureau['CREDIT_ACTIVE_Active'] == 1] active_agg = active.groupby('SK_ID_CURR' ).agg(num_aggregations) active_agg.columns = pd.Index(['ACT_' + e[0] + "_" + e[1].upper() for e in active_agg.columns.tolist() ]) bureau_agg = bureau_agg.join(active_agg, how='left') del active, active_agg gc.collect() clos...
Home Credit Default Risk
1,185,243
sample_submission.to_csv('submission.csv', index=None )<import_modules>
print("End Bureau................ " )
Home Credit Default Risk
1,185,243
import pandas as pd import numpy as np from sklearn import tree import graphviz from sklearn.model_selection import cross_val_score<load_from_csv>
print("Start previous_application................ " )
Home Credit Default Risk
1,185,243
df = pd.read_csv('/kaggle/input/predict-the-income-bi-hack/train.csv') dft = pd.read_csv('/kaggle/input/predict-the-income-bi-hack/test.csv') print('train dataset length',len(df),' test dataset length',len(dft)) <drop_column>
prev = pd.read_csv('.. /input/previous_application.csv', nrows = num_rows )
Home Credit Default Risk
1,185,243
ids=dft['ID'] df.drop('ID', axis=1,inplace =True) dft.drop('ID', axis=1,inplace =True )<categorify>
prev, cat_cols = one_hot_encoder(prev, nan_as_category= True) prev['DAYS_FIRST_DRAWING'].replace(365243, np.nan, inplace= True) prev['DAYS_FIRST_DUE'].replace(365243, np.nan, inplace= True) prev['DAYS_LAST_DUE_1ST_VERSION'].replace(365243, np.nan, inplace= True) prev['DAYS_LAST_DUE'].replace(365243, np.nan, inplace...
Home Credit Default Risk
1,185,243
df = pd.get_dummies(df, columns=['Work', 'Education', 'Marital_Status', 'Occupation', 'Relationship', 'Race', 'Gender','Nationality']) dft = pd.get_dummies(dft, columns=['Work', 'Education', 'Marital_Status', 'Occupation', 'Relationship', 'Race', 'Gender','Nationality'] )<drop_column>
prev['APP_CREDIT_PERC'] = prev['AMT_APPLICATION'] / prev['AMT_CREDIT']
Home Credit Default Risk
1,185,243
df.drop('Nationality_Holand-Netherlands',axis=1, inplace=True )<count_values>
num_aggregations = { 'AMT_ANNUITY': ['min', 'max', 'mean'], 'AMT_APPLICATION': ['min', 'max', 'mean'], 'AMT_CREDIT': ['min', 'max', 'mean'], 'APP_CREDIT_PERC': ['min', 'max', 'mean', 'var'], 'AMT_DOWN_PAYMENT': ['min', 'max', 'mean'], 'AMT_GOODS_PRICE': ['min', 'max', 'mean'], 'HOUR_APPR_PROCESS_START': ['min', 'max', ...
Home Credit Default Risk
1,185,243
df['Income'].value_counts()<feature_engineering>
cat_aggregations = {} for cat in cat_cols: cat_aggregations[cat] = ['mean'] prev_agg = prev.groupby('SK_ID_CURR' ).agg({**num_aggregations, **cat_aggregations}) prev_agg.columns = pd.Index(['PREV_' + e[0] + "_" + e[1].upper() for e in prev_agg.columns.tolist() ] )
Home Credit Default Risk
1,185,243
df["Income"] = df["Income"].replace({'<=50K':1,'>50K':0} )<create_dataframe>
approved = prev[prev['NAME_CONTRACT_STATUS_Approved'] == 1] approved_agg = approved.groupby('SK_ID_CURR' ).agg(num_aggregations) approved_agg.columns = pd.Index(['APR_' + e[0] + "_" + e[1].upper() for e in approved_agg.columns.tolist() ]) prev_agg = prev_agg.join(approved_agg, how='left') refused = prev[prev['NAME_C...
Home Credit Default Risk
1,185,243
d_train = df.copy() d_test = dft.copy() df1 = df<prepare_x_and_y>
print("End previous_application................ " )
Home Credit Default Risk
1,185,243
X = d_train.drop('Income', axis=1) y = d_train['Income']<import_modules>
print("Start POS_CASH_balance................ " )
Home Credit Default Risk
1,185,243
from sklearn.model_selection import train_test_split<import_modules>
pos = pd.read_csv('.. /input/POS_CASH_balance.csv', nrows = num_rows )
Home Credit Default Risk
1,185,243
from sklearn.model_selection import train_test_split<split>
pos, cat_cols = one_hot_encoder(pos, nan_as_category= True) aggregations = { 'MONTHS_BALANCE': ['max', 'mean', 'size'], 'SK_DPD': ['max', 'mean'], 'SK_DPD_DEF': ['max', 'mean'] }
Home Credit Default Risk
1,185,243
X_train,X_test,y_train,y_test=train_test_split(X,y,test_size=0.30,random_state=42 )<choose_model_class>
for cat in cat_cols: aggregations[cat] = ['mean'] pos_agg = pos.groupby('SK_ID_CURR' ).agg(aggregations) pos_agg.columns = pd.Index(['POS_' + e[0] + "_" + e[1].upper() for e in pos_agg.columns.tolist() ]) pos_agg['POS_COUNT'] = pos.groupby('SK_ID_CURR' ).size() del pos gc.collect()
Home Credit Default Risk
1,185,243
t = tree.DecisionTreeClassifier(criterion='entropy', max_depth=7 )<train_model>
print("Start POS_CASH_balance................ " )
Home Credit Default Risk
1,185,243
t = t.fit(X_train,y_train )<compute_test_metric>
ins = pd.read_csv('.. /input/installments_payments.csv', nrows = num_rows) ins, cat_cols = one_hot_encoder(ins, nan_as_category= True )
Home Credit Default Risk
1,185,243
t.score(X_test,y_test )<predict_on_test>
ins['PAYMENT_PERC'] = ins['AMT_PAYMENT'] / ins['AMT_INSTALMENT'] ins['PAYMENT_DIFF'] = ins['AMT_INSTALMENT'] - ins['AMT_PAYMENT'] ins['DPD'] = ins['DAYS_ENTRY_PAYMENT'] - ins['DAYS_INSTALMENT'] ins['DBD'] = ins['DAYS_INSTALMENT'] - ins['DAYS_ENTRY_PAYMENT'] ins['DPD'] = ins['DPD'].apply(lambda x: x if x > 0 else 0) in...
Home Credit Default Risk
1,185,243
sol=t.predict(dft) print(sol )<save_to_csv>
aggregations = { 'NUM_INSTALMENT_VERSION': ['nunique'], 'DPD': ['max', 'mean', 'sum'], 'DBD': ['max', 'mean', 'sum'], 'PAYMENT_PERC': ['max', 'mean', 'sum', 'var'], 'PAYMENT_DIFF': ['max', 'mean', 'sum', 'var'], 'AMT_INSTALMENT': ['max', 'mean', 'sum'], 'AMT_PAYMENT': ['min', 'max', 'mean', 'sum'], 'DAYS_ENTRY_PAYMENT'...
Home Credit Default Risk
1,185,243
with open('income-predicted.csv','w')as fw: fw.write('ID,Income ') ct=24001 for i in sol: s="" if i==1: s="<=50K" else: s=">50K" fw.write(str(ct)+','+str(s)+' ') ct+=1<load_from_csv>
print("End POS_CASH_balance................ " )
Home Credit Default Risk
1,185,243
sdf = pd.read_csv('income-predicted.csv', sep=',') sdf.head()<count_values>
print("Start credit_card_balance................ " )
Home Credit Default Risk
1,185,243
sdf.Income.value_counts()<load_from_csv>
cc = pd.read_csv('.. /input/credit_card_balance.csv', nrows = num_rows )
Home Credit Default Risk
1,185,243
%%capture train = pd.read_csv('.. /input/fakenewsvortexbsb/train_df.csv', sep=';', error_bad_lines=False, quoting=3);<categorify>
cc, cat_cols = one_hot_encoder(cc, nan_as_category= True) cc.drop(columns = ['SK_ID_PREV'], inplace = True) cc_agg = cc.groupby('SK_ID_CURR' ).agg(['min', 'max', 'mean', 'sum', 'var']) cc_agg.columns = pd.Index(['CC_' + e[0] + "_" + e[1].upper() for e in cc_agg.columns.tolist() ]) cc_agg['CC_COUNT'] = cc.groupby('S...
Home Credit Default Risk
1,185,243
example = train["manchete"][1] print(unidecode(example))<categorify>
print("End credit_card_balance................ " )
Home Credit Default Risk
1,185,243
letters_only=re.sub("[^a-zA-Z]"," ",unidecode(example)) print(letters_only )<string_transform>
with timer("Process bureau and bureau_balance"): print("Bureau df shape:", bureau_agg.shape) df = df.join(bureau_agg, how='left',on='SK_ID_CURR') gc.collect() with timer("Process previous_applications"): print("Previous applications df shape:", prev_agg.shape) df = df.join(prev_agg, how='left', on='SK_ID_CURR') gc....
Home Credit Default Risk
1,185,243
lower_case=letters_only.lower() words=lower_case.split()<string_transform>
print("Done.;.............. ")
Home Credit Default Risk
1,185,243
print(stopwords.words("portuguese"))<string_transform>
train_df = df[df['TARGET'].notnull() ] test_df = df[df['TARGET'].isnull() ]
Home Credit Default Risk
1,185,243
stop = stopwords.words("portuguese" )<categorify>
train_df = train_df.drop(['index'],axis=1) test_df = test_df.drop(['index','TARGET'],axis=1) train_df = train_df.fillna(0) test_df = test_df.fillna(0 )
Home Credit Default Risk
1,185,243
lista_stop = [unidecode(x)for x in stop] print(lista_stop )<define_variables>
label = u'TARGET' a = list(train_df.columns) a.remove(label) labels = train_df[label] data_only = train_df[list(a)] col_name = data_only.columns X_train, X_test, y_train, y_test = train_test_split(data_only, labels, test_size=0.1,random_state = 42 )
Home Credit Default Risk
1,185,243
words=[w for w in words if not w in lista_stop] print(words )<string_transform>
clf_catboost = CatBoostClassifier(iterations=1200, learning_rate=0.1, depth=7, l2_leaf_reg=40, bootstrap_type='Bernoulli', subsample=0.7, scale_pos_weight=5, eval_metric='AUC', metric_period=50, od_type='Iter', od_wait=45, random_seed=15, allow_writing_files=False) clf_catboost.fit(data_only,labels,verbose=True )
Home Credit Default Risk
1,185,243
def review_to_words(raw_review): raw_review = unidecode(raw_review) raw_review.lstrip('Jovem Pan') letters_only=re.sub("[^a-zA-Z]"," ",raw_review) words=letters_only.lower().split() meaningful_words=[w for w in words if not w in lista_stop] return(' '.join(meaningful_words))<string_transform>
pred = clf_catboost.predict_proba(test_df) test_df['TARGET'] = pred[:, 0]
Home Credit Default Risk
1,185,243
<find_best_params><EOS>
test_df[['SK_ID_CURR', 'TARGET']].to_csv('submission_catboost1.csv', index= False )
Home Credit Default Risk
10,259,780
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<categorify>
color = sns.color_palette() py.init_notebook_mode(connected=True) init_notebook_mode(connected=True) offline.init_notebook_mode() cf.go_offline()
Home Credit Default Risk
10,259,780
clean_train_review=[] for i in range(0,num_reviews): clean_train_review.append(review_to_words(train['manchete'][i]))<normalization>
application_train = pd.read_csv('/kaggle/input/home-credit-default-risk/application_train.csv') POS_CASH_balance = pd.read_csv('/kaggle/input/home-credit-default-risk/POS_CASH_balance.csv') bureau_balance = pd.read_csv('/kaggle/input/home-credit-default-risk/bureau_balance.csv') previous_application = pd.read_csv('/...
Home Credit Default Risk
10,259,780
vectorizer=CountVectorizer(analyzer='word',tokenizer=None,preprocessor = None, stop_words = None,max_features = 7000) train_data_features=vectorizer.fit_transform(clean_train_review) train_data_features=train_data_features.toarray()<feature_engineering>
application_train.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
vcab=vectorizer.get_feature_names() <prepare_x_and_y>
POS_CASH_balance.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
train_y = train["Class"]<split>
bureau_balance.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
X_train, X_test, y_train, y_test = train_test_split(train_data_features, train_y, test_size=0.25, random_state=42 )<train_model>
previous_application.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
model = KNeighborsClassifier(n_neighbors=3) %time model = model.fit(X_train, y_train )<predict_on_test>
installments_payments.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
result = model.predict(X_test )<compute_test_metric>
credit_card_balance.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
accuracy_score(y_test, result )<compute_test_metric>
bureau.isnull().mean().sort_values(ascending = False )
Home Credit Default Risk
10,259,780
print(classification_report(y_test, result))<choose_model_class>
for c in application_train.columns: if(c!='SK_ID_CURR')&(application_train[c].dtypes==object): LE = LabelEncoder() LE.fit(list(application_train[c].values.astype('str')) + list(application_test[c].values.astype('str'))) application_train[c] = LE.transform(list(application_train[c].values.astype('str'))) application_t...
Home Credit Default Risk
10,259,780
nb = MultinomialNB() %time nb = nb.fit(X_train, y_train) result = nb.predict(X_test )<compute_test_metric>
application_train.fillna(-1, inplace = True )
Home Credit Default Risk
10,259,780
accuracy_score(y_test, result )<compute_test_metric>
X = application_train.drop(['SK_ID_CURR', 'TARGET'],axis=1) Y = application_train.TARGET xgb = XGBClassifier(n_estimators=500, max_depth=8, random_state=2018) xgb.fit(X, Y )
Home Credit Default Risk
10,259,780
print(classification_report(y_test, result))<train_model>
df = application_train.append(application_test ).reset_index() df['DAYS_EMPLOYED'].replace(365243, -1, inplace= True) df['DAYS_EMPLOYED_PERC'] = df['DAYS_EMPLOYED'] / df['DAYS_BIRTH'] df['INCOME_CREDIT_PERC'] = df['AMT_INCOME_TOTAL'] / df['AMT_CREDIT'] df['INCOME_PER_PERSON'] = df['AMT_INCOME_TOTAL'] / df['CNT_FAM_MEM...
Home Credit Default Risk
10,259,780
clf2 = DecisionTreeClassifier(random_state=42) %time clf2 = clf2.fit(X_train, y_train) result = clf2.predict(X_test )<compute_test_metric>
bb_aggregations = {'MONTHS_BALANCE': ['min', 'max', 'size']} bb_agg = bureau_balance.groupby('SK_ID_BUREAU' ).agg(bb_aggregations) bb_agg.columns = pd.Index([col[0] + "_" + col[1].upper() for col in bb_agg.columns.tolist() ]) bureau = bureau.join(bb_agg, how='left', on='SK_ID_BUREAU') bureau.drop(['SK_ID_BUREAU'], a...
Home Credit Default Risk
10,259,780
accuracy_score(y_test, result )<compute_test_metric>
for c in previous_application.columns: if previous_application[c].dtypes==object: LE = LabelEncoder() previous_application[c] = LE.fit_transform(list(previous_application[c].values.astype('str'))) aggregations = { 'AMT_ANNUITY': ['min', 'max', 'mean'], 'AMT_APPLICATION': ['min', 'max', 'mean'], 'AMT_CREDIT': ['min', '...
Home Credit Default Risk
10,259,780
print(classification_report(y_test, result))<predict_on_test>
for c in POS_CASH_balance.columns: if POS_CASH_balance[c].dtypes==object: LE = LabelEncoder() POS_CASH_balance[c] = LE.fit_transform(list(POS_CASH_balance[c].values.astype('str'))) aggregations = { 'MONTHS_BALANCE': ['max', 'mean', 'size'], 'SK_DPD': ['max', 'mean', 'var'], 'SK_DPD_DEF': ['max', 'mean', 'var'] } pos_a...
Home Credit Default Risk
10,259,780
forest = RandomForestClassifier(random_state=42) %time forest = forest.fit(X_train, y_train) result = forest.predict(X_test )<compute_test_metric>
for c in installments_payments.columns: if installments_payments[c].dtypes==object: LE = LabelEncoder() installments_payments[c] = LE.fit_transform(list(installments_payments[c].values.astype('str'))) aggregations = { 'NUM_INSTALMENT_VERSION': ['nunique'], 'DPD': ['max', 'mean', 'sum'], 'DBD': ['max', 'mean', 'sum'], ...
Home Credit Default Risk
10,259,780
accuracy_score(y_test, result )<compute_test_metric>
for c in credit_card_balance.columns: if credit_card_balance[c].dtypes==object: LE = LabelEncoder() credit_card_balance[c] = LE.fit_transform(list(credit_card_balance[c].values.astype('str'))) credit_card_balance.drop(['SK_ID_PREV'], axis= 1, inplace = True) cc_agg = credit_card_balance.groupby('SK_ID_CURR' ).agg(['m...
Home Credit Default Risk
10,259,780
print(classification_report(y_test, result))<train_model>
df_train, df_test = df.iloc[:len(application_train)], df.iloc[len(application_train):] del application_train, application_test, df gc.collect()
Home Credit Default Risk
10,259,780
clf3 = GradientBoostingClassifier(random_state=42) %time clf3 = clf3.fit(X_train, y_train) result = clf3.predict(X_test )<compute_test_metric>
folds = StratifiedKFold(n_splits= 10, shuffle=True, random_state=2020) sub_preds = np.zeros(df_test.shape[0]) feats = [f for f in df_train.columns if f not in ['TARGET','SK_ID_CURR','SK_ID_BUREAU','SK_ID_PREV','index']] for n_fold,(train_idx, valid_idx)in enumerate(folds.split(df_train[feats], df_train['TARGET'])) : ...
Home Credit Default Risk
10,259,780
<compute_test_metric><EOS>
df_test[['SK_ID_CURR', 'TARGET']].to_csv('submission', index= False )
Home Credit Default Risk
11,198,944
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<predict_on_test>
pd.set_option('display.max_columns', None) %matplotlib inline bureau_balance = pd.read_csv('.. /input/bureau_balance.csv') bureau_balance['STATUS_mod'] = bureau_balance.STATUS.map({'0':0, '1':1, '2':2, '3':3, '4':4, '5':5, 'X':np.nan, 'C':0} ).map(lambda x: 0 if x=='C' else x ).interpolate(method = 'linear') bureau_...
Home Credit Default Risk
11,198,944
clf = LogisticRegression(random_state=42, solver='lbfgs') %time clf = clf.fit(X_train, y_train) result = clf.predict(X_test )<compute_test_metric>
pd.set_option('display.max_columns', None) %matplotlib inline warnings.filterwarnings("ignore") application_train = pd.read_csv('.. /input/application_train.csv') credit_card_balance = pd.read_csv('.. /input/credit_card_balance.csv') credit_card_balance = credit_card_balance.sort_values(['SK_ID_CURR', 'SK_ID_PREV',...
Home Credit Default Risk
11,198,944
accuracy_score(y_test, result )<compute_test_metric>
pd.set_option('display.max_columns', None) %matplotlib inline warnings.filterwarnings("ignore") installments_payments = pd.read_csv('.. /input/installments_payments.csv') installments_payments = installments_payments.sort_values(['SK_ID_CURR', 'SK_ID_PREV', 'NUM_INSTALMENT_NUMBER']) previous_application = pd.read_c...
Home Credit Default Risk
11,198,944
print(classification_report(y_test, result))<predict_on_test>
pd.set_option('display.max_columns', None) %matplotlib inline warnings.filterwarnings("ignore") application_train = pd.read_csv('.. /input/application_train.csv') POS_CASH_balance = pd.read_csv('.. /input/POS_CASH_balance.csv') POS_CASH_balance = POS_CASH_balance.sort_values(['SK_ID_CURR', 'SK_ID_PREV', 'MONTHS_BAL...
Home Credit Default Risk
11,198,944
clf4 = SVC(random_state=42) %time clf4 = clf4.fit(X_train, y_train) result = clf4.predict(X_test )<compute_test_metric>
pd.set_option('display.max_columns', None) %matplotlib inline warnings.filterwarnings("ignore") previous_application = pd.read_csv(".. /input/previous_application.csv") previous_application = previous_application.sort_values(['SK_ID_CURR', 'DAYS_DECISION']) cat_col = [] for i in range(len(previous_application.colum...
Home Credit Default Risk
11,198,944
accuracy_score(y_test, result )<compute_test_metric>
bureau = pd.read_csv('.. /input/bureau.csv') bureau_balance = pd.read_csv('.. /input/bureau_balance.csv') med = bureau.AMT_CREDIT_SUM.median() bureau.AMT_CREDIT_SUM = bureau.AMT_CREDIT_SUM.fillna(med) med = bureau.AMT_CREDIT_SUM_DEBT.median() bureau.AMT_CREDIT_SUM_DEBT = bureau.AMT_CREDIT_SUM_DEBT.fillna(med) burea...
Home Credit Default Risk
11,198,944
print(classification_report(y_test, result))<predict_on_test>
a = time.time() row1=None row2=None row3=None app_train = pd.read_csv('.. /input/application_train.csv', nrows=row1 ).sort_values('SK_ID_CURR') app_test = pd.read_csv('.. /input/application_test.csv', nrows=row1 ).sort_values('SK_ID_CURR') bureau = pd.read_csv('.. /input/bureau.csv', nrows=row2 ).sort_values(['SK_ID_...
Home Credit Default Risk
11,198,944
def prevendo_noticias(string, model): to_array=[] to_array.append(review_to_words(string)) sample_final=vectorizer.transform(to_array) sample_final=sample_final.toarray() result = model.predict(sample_final) if result[0] == 1: label = 'Fake News' else: label = 'Verdadeira' return label, string<compute_test_metric>
full_df = pd.read_csv(".. /input/home-credit-default-risk/application_train.csv") test_df = pd.read_csv(".. /input/home-credit-default-risk/application_test.csv") test_df
Home Credit Default Risk
11,198,944
prevendo_noticias('Bolsonaro pessoalmente incendêia a amazonia e mata as girafas', forest )<drop_column>
full_df = pd.get_dummies(full_df) test_df = pd.get_dummies(test_df) full_df, test_df = full_df.align(test_df, join = 'inner', axis = 1) test_df.head(10) test_df.count()
Home Credit Default Risk
11,198,944
prevendo_noticias('Jornalista joga água benta em Temer e ele admite que impeachment foi golpe', forest )<train_model>
Home Credit Default Risk
11,198,944
model_final = RandomForestClassifier(random_state=42) <define_search_space>
def model(features, test_features, encoding = 'ohe', n_folds = 5): train_ids = features['SK_ID_CURR'] test_ids = test_features['SK_ID_CURR'] labels = features['TARGET'] features = features.drop(columns = ['SK_ID_CURR', 'TARGET']) test_features = test_features.drop(columns = ['SK_ID_CURR']) if encoding == 'ohe': fea...
Home Credit Default Risk
11,198,944
<train_on_grid><EOS>
submission, fi, metrics = model(full_df, test_df) print('Baseline metrics') print(metrics) submission.to_csv('baseline_lgb.csv', index = False)
Home Credit Default Risk
9,356,808
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<find_best_params>
import numpy as np import pandas as pd
Home Credit Default Risk
9,356,808
CV_rf.best_params_<train_model>
from tqdm.notebook import tqdm import random import gc import time
Home Credit Default Risk
9,356,808
model_fit = RandomForestClassifier(random_state=42, bootstrap= True, criterion= 'entropy', n_estimators= 800 )<train_model>
from sklearn.preprocessing import LabelEncoder, StandardScaler from sklearn.metrics import roc_auc_score from sklearn.model_selection import StratifiedKFold from sklearn.ensemble import ExtraTreesClassifier
Home Credit Default Risk
9,356,808
%time model_fit = model_fit.fit(X_train, y_train) result = model_fit.predict(X_test )<compute_test_metric>
import lightgbm as lgb
Home Credit Default Risk
9,356,808
accuracy_score(y_test, result )<train_model>
gc.enable()
Home Credit Default Risk
9,356,808
%time model_final = model_fit.fit(train_data_features, train_y )<load_from_csv>
train_data = pd.read_csv('/kaggle/input/home-credit-default-risk/application_train.csv', na_values=['XNA', 'XAP'], na_filter=True) test_data = pd.read_csv('/kaggle/input/home-credit-default-risk/application_test.csv', na_values=['XNA', 'XAP'], na_filter=True )
Home Credit Default Risk
9,356,808
test = pd.read_csv('.. /input/fakenewsvortexbsb/sample_submission.csv', sep=';', error_bad_lines=False, quoting=3);<categorify>
train_counts = train_data.count().sort_values() /len(train_data) test_counts = test_data.count().sort_values() /len(test_data )
Home Credit Default Risk
9,356,808
clean_test_review=[] for i in range(0,num_reviews): clean_test_review.append(review_to_words(test['Manchete'][i]))<categorify>
cols = set(train_counts[(train_counts < 1)&(train_counts > 0.99)].index)- set(test_counts[(test_counts < 1)&(test_counts > 0.9)].index )
Home Credit Default Risk
9,356,808
test_data_features = vectorizer.transform(clean_test_review) test_data_features=test_data_features.toarray()<predict_on_test>
train_data.dropna(subset=cols, inplace=True )
Home Credit Default Risk
9,356,808
result_test = model_final.predict(test_data_features )<save_to_csv>
train_target = train_data[['SK_ID_CURR', 'TARGET']]
Home Credit Default Risk
9,356,808
minha_sub = pd.DataFrame({'index': test.index, 'Category': result_test}) minha_sub.to_csv('submission.csv', index=False )<import_modules>
submit = test_data[['SK_ID_CURR']]
Home Credit Default Risk
9,356,808
import pandas as pd import numpy as np import sklearn import matplotlib.pyplot as plt from sklearn import ensemble, neighbors from sklearn.model_selection import cross_val_score from sklearn.metrics import mean_squared_log_error, make_scorer from sklearn.feature_selection import f_regression import os<load_from_csv>
train_data.drop(columns=['TARGET'], inplace=True )
Home Credit Default Risk
9,356,808
test_d = pd.read_csv('.. /input/test.csv',index_col='Id') train_d = pd.read_csv('.. /input/train.csv', index_col='Id' )<concatenate>
test_data['IS_TRAIN'] = 0 train_data['IS_TRAIN'] = 1
Home Credit Default Risk
9,356,808
test_d['median_house_value'] = np.nan data = train_d.append(test_d, sort=False )<feature_engineering>
application_data = train_data.append(test_data )
Home Credit Default Risk
9,356,808
train_d['median_age_sum'] = train_d.groupby('median_age')['median_house_value'].transform('sum') ages = train_d['median_age'].value_counts() for i, row in train_d.iterrows() : train_d.loc[i,'median_age_freq'] = ages[train_d.loc[i,'median_age']]<feature_engineering>
del(train_data) del(test_data )
Home Credit Default Risk
9,356,808
data['rooms_not_bedrooms'] = np.subtract(data['total_rooms'],data['total_bedrooms']) data['bedrooms_per_house'] = np.divide(data['total_bedrooms'],data['households']) data['rooms_not_bedrooms_per_house'] = np.divide(data['total_bedrooms'],data['households']) data['pop_per_house'] = np.divide(data['population'],data[...
appl_counts = application_data.count().sort_values() /len(application_data )
Home Credit Default Risk
9,356,808
ages_disc=[] for i,row in data.iterrows() : if row['median_age'] < 16: ages_disc.append(0) elif row['median_age'] < 36: ages_disc.append(1) elif row['median_age'] < 52: ages_disc.append(2) else: ages_disc.append(3) data['age_class'] = ages_disc<data_type_conversions>
appl_counts[(appl_counts < 0.6)]
Home Credit Default Risk