kernel_id
int64
24.2k
23.3M
prompt
stringlengths
8
1.85M
completetion
stringlengths
1
182k
comp_name
stringlengths
5
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1,316,642
train = pd.read_csv('.. /input/train.csv') test = pd.read_csv('.. /input/test.csv' )<count_missing_values>
gc.enable() del app_train, app_test, app_train_domain, app_test_domain, bureau, bureau_balance, bureau_agg, bureau_balance_agg, bureau_balance_counts, bureau_by_loan, bureau_balance_by_client gc.collect()
Home Credit Default Risk
1,316,642
train.isnull().sum()<count_missing_values>
def train_with_cv(train_data, test_data, n_folds, seed_varying): train_ids = train_data['SK_ID_CURR'] test_ids = test_data['SK_ID_CURR'] train_labels = train_data['TARGET'] train_features = train_data.drop(columns = ['SK_ID_CURR', 'TARGET']) test_features = test_data.drop(columns = ['SK_ID_CURR']) feature_names = lis...
Home Credit Default Risk
1,316,642
test.isnull().sum()<count_missing_values>
train_times = 3 n_folds = 5 i = 0 metrics_all = np.zeros(( train_times, 2)) for seed_varying in range(train_times): print(' =======================================================') print('The ', seed_varying, ' time of train') print(' =======================================================') sub, fi, metrics = trai...
Home Credit Default Risk
1,096,369
test.isnull().sum()<count_values>
data1 = pd.read_csv('.. /input/lightgbm-with-simple-features-0-785-lb/submission_kernel00.csv') data2 = pd.read_csv('.. /input/tidy-xgb-all-tables-0-782/tidy_xgb_0.77821.csv' )
Home Credit Default Risk
1,096,369
train.Outcome.value_counts()<prepare_x_and_y>
data1['TARGET'] =(data1['TARGET']+data2['TARGET'])/2
Home Credit Default Risk
1,096,369
<train_model><EOS>
data1.to_csv('blend1_.788lb.csv',index = False )
Home Credit Default Risk
1,078,102
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<predict_on_test>
import gc import numpy as np import pandas as pd from sklearn.model_selection import KFold, StratifiedKFold from sklearn.preprocessing import StandardScaler,LabelEncoder from sklearn.metrics import roc_auc_score
Home Credit Default Risk
1,078,102
predicted = clf.predict(test )<save_to_csv>
def add_noise(series, noise_level): return series *(1 + noise_level * np.random.randn(len(series))) def target_encode(trn_series=None, tst_series=None, target=None, min_samples_leaf=1, smoothing=1, noise_level=0): assert len(trn_series)== len(target) assert trn_series.name == tst_series.name temp = pd.concat([trn_s...
Home Credit Default Risk
1,078,102
output = pd.DataFrame(predicted,columns = ['Outcome']) test = pd.read_csv('.. /input/test.csv') output['Id'] = test['Id'] output[['Id','Outcome']].to_csv('submission_cloudy10.csv', index = False) output.head()<import_modules>
def UseGPFeatures(data): v = pd.DataFrame() v["i0"] = np.tanh(((((( -1.0*(((( np.maximum(((data["EXT_SOURCE_2"])) ,(( data["EXT_SOURCE_3"])))) -(data["te_OCCUPATION_TYPE"])))))) -(((((((data["EXT_SOURCE_2"])+(data["EXT_SOURCE_3"])))* 2.0)) +(data["EXT_SOURCE_3"])))))* 2.0)) v["i1"] = np.tanh(((((data["te_OCCUPATION_TYP...
Home Credit Default Risk
1,078,102
import gc import os from pathlib import Path import sys import collections import pandas as pd import numpy as np import scipy as sp import matplotlib.pyplot as plt from tqdm import tqdm_notebook as tqdm import joblib from sklearn.base import BaseEstimator, TransformerMixin from sklearn.model_selection import train_tes...
gc.enable() buro_bal = pd.read_csv('.. /input/bureau_balance.csv') print('Buro bal shape : ', buro_bal.shape) print('transform to dummies') buro_bal = pd.concat([buro_bal, pd.get_dummies(buro_bal.STATUS, prefix='buro_bal_status')], axis=1 ).drop('STATUS', axis=1) print('Counting buros') buro_counts = buro_bal[['SK...
Home Credit Default Risk
1,078,102
%matplotlib inline plt.rcParams["figure.figsize"] =(15, 5) pd.options.display.max_columns = 50<define_variables>
train.columns = train.columns.str.replace('[^A-Za-z0-9_]', '_') test.columns = test.columns.str.replace('[^A-Za-z0-9_]', '_' )
Home Credit Default Risk
1,078,102
VERSION = "1.6.6"<define_variables>
floattypes = [] inttypes = [] stringtypes = [] for c in test.columns: if(train[c].dtype=='object'): train[c] = train[c].astype('str') stringtypes.append(c) elif(train[c].dtype=='int64'): train[c] = train[c].astype('int32') inttypes.append(c) else: train[c] = train[c].astype('float32') floattypes.append(c) train =...
Home Credit Default Risk
1,078,102
IS_KAGGLE = "KAGGLE_URL_BASE" in os.environ print(f"IS_KAGGLE: {IS_KAGGLE}") USE_GPU = "NVIDIA_VISIBLE_DEVICES" in os.environ print(f"USE_GPU: {USE_GPU}") USE_CACHE = False<load_from_csv>
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in stringtypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] for f,(vis_index, blind_index)in enumerate(kf.split(train)) : _, train.loc[blind_index, 'te_'+col] = target_encode(train.loc[vi...
Home Credit Default Risk
1,078,102
train = pd.read_csv(".. /input/exam-for-students20200129/train.csv", index_col=0, na_values="" ).pipe(reduce_mem_usage) X_test = pd.read_csv(".. /input/exam-for-students20200129/test.csv", index_col=0, na_values="" ).pipe(reduce_mem_usage )<load_from_csv>
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in inttypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] for f,(vis_index, blind_index)in enumerate(kf.split(train)) : _, train.loc[blind_index, 'te_'+col] = target_encode(train.loc[vis_i...
Home Credit Default Risk
1,078,102
df_country = pd.read_csv(".. /input/exam-for-students20200129/country_info.csv", decimal="," ).pipe(reduce_mem_usage )<data_type_conversions>
ntrainrows = train.shape[0] test.insert(1,'TARGET',-1) alldata = pd.concat([train,test]) del train ,test gc.collect()
Home Credit Default Risk
1,078,102
df_country["GDP($ per capita)"] = df_country["GDP($ per capita)"].astype(np.float32 )<merge>
alldata['nans'] = alldata.isnull().sum(axis=1 )
Home Credit Default Risk
1,078,102
train = train.reset_index().merge(df_country, how="left", on="Country" ).set_index("Respondent") X_test = X_test.reset_index().merge(df_country, how="left", on="Country" ).set_index("Respondent" )<prepare_x_and_y>
for col in inttypes[1:]: x = alldata[col].value_counts().reset_index(drop=False) x.columns = [col,'cnt_'+col] x['cnt_'+col]/=alldata.shape[0] alldata = alldata.merge(x,on=col,how='left' )
Home Credit Default Risk
1,078,102
X_train = train.drop(columns="ConvertedSalary") y_train = np.log1p(train.ConvertedSalary )<define_variables>
alldata[features] = alldata[features].astype('float32' )
Home Credit Default Risk
1,078,102
split_cols = [ "DevType", "CommunicationTools", "FrameworkWorkedWith", "AdsActions", "ErgonomicDevices", "Gender", "SexualOrientation", "RaceEthnicity" ]<concatenate>
for c in features: ss = StandardScaler() alldata.loc[~alldata[c].isnull() ,c] = ss.fit_transform(alldata.loc[~alldata[c].isnull() ,c].values.reshape(-1,1)) alldata[c].fillna(alldata[c].mean() ,inplace=True )
Home Credit Default Risk
1,078,102
def flatten(l): for el in l: if isinstance(el, collections.abc.Iterable)and not isinstance(el,(str, bytes)) : yield from flatten(el) else: yield el<data_type_conversions>
train = alldata[:ntrainrows] test = alldata[ntrainrows:]
Home Credit Default Risk
1,078,102
def split_text(df): for col in split_cols: categories = list(set(flatten(X_train[col].str.split(";" ).tolist()))) categories = [i for i in categories if str(i)!= 'nan'] for category in categories: df[f"{col}_{category}"] = df[col].str.contains(category ).astype(np.float32) df[f"count_{col}"] = df[col].str.count(";") ...
traintargets = train.TARGET.values train = UseGPFeatures(train) test = UseGPFeatures(test) train['TARGET'] = traintargets
Home Credit Default Risk
1,078,102
X_train = split_text(X_train) X_test = split_text(X_test )<rename_columns>
gc.enable()
Home Credit Default Risk
1,078,102
X_train.columns = ["".join(c if c.isalnum() else "_" for c in str(x)) for x in X_train.columns] X_test.columns = ["".join(c if c.isalnum() else "_" for c in str(x)) for x in X_test.columns]<categorify>
folds = KFold(n_splits=5, shuffle=True, random_state=42) oof_preds = np.zeros(train.shape[0]) sub_preds = np.zeros(test.shape[0]) feats = [f for f in train.columns if f not in ['SK_ID_CURR','TARGET']]
Home Credit Default Risk
1,078,102
class BaseTransformer(BaseEstimator, TransformerMixin): def __init__(self): pass def fit(self, X, y=None): return self def transform(self, X): return self def get_feature_names(self): pass class KFoldTargetEncoder(BaseTransformer): def __init__(self, cols=None, n_splits=5, random_state=24, shuffle=True, **kwargs): su...
for n_fold,(trn_idx, val_idx)in enumerate(folds.split(train)) : trn_x, trn_y = train[feats].iloc[trn_idx], train.iloc[trn_idx]['TARGET'] val_x, val_y = train[feats].iloc[val_idx], train.iloc[val_idx]['TARGET'] clf = LGBMClassifier( n_estimators=4000, learning_rate=0.03, num_leaves=30, colsample_bytree=.8, subsample=.9...
Home Credit Default Risk
1,078,102
feature_union1 = FeatureUnion([ ("te", KFoldTargetEncoder( cols=object_cols, smoothing=.8 )) , ], n_jobs=None, verbose=True )<categorify>
Submission = pd.DataFrame({ 'SK_ID_CURR': ID,'TARGET': sub_preds }) Submission.to_csv("hybridII.csv", index=False )
Home Credit Default Risk
1,068,284
X_train1 = feature_union1.fit_transform(X_train, y_train) X_test1 = feature_union1.transform(X_test )<categorify>
PATH = ".. /input" list_of_files = os.listdir(PATH) application_train = pd.read_csv(PATH+"/application_train.csv") application_test = pd.read_csv(PATH+"/application_test.csv") bureau = pd.read_csv(PATH+"/bureau.csv") bureau_balance = pd.read_csv(PATH+"/bureau_balance.csv") credit_card_balance = pd.read_csv(PATH+"/...
Home Credit Default Risk
1,068,284
oe = ce.OrdinalEncoder(cols=object_cols )<normalization>
total_IDS = np.concatenate(( application_test["SK_ID_CURR"].values, application_train["SK_ID_CURR"].values)) print(len(np.unique(np.array(total_IDS)))== len(total_IDS))
Home Credit Default Risk
1,068,284
X_train = oe.fit_transform(X_train, y_train) X_test = oe.transform(X_test )<concatenate>
POS_CASH_balance_IDS = POS_CASH_balance["SK_ID_CURR"].values bureau_IDS = bureau["SK_ID_CURR"].values credit_card_balance_IDS = credit_card_balance["SK_ID_CURR"].values installments_payments_IDS = installments_payments["SK_ID_CURR"].values previous_application_IDS = previous_application["SK_ID_CURR"].values tot = len(t...
Home Credit Default Risk
1,068,284
X_train = np.hstack([X_train, X_train1]) X_test = np.hstack([X_test, X_test1] )<choose_model_class>
prev = previous_application["SK_ID_PREV"].values POS_CASH_balance_IDS_prev = POS_CASH_balance["SK_ID_PREV"].values credit_card_balance_IDS_prev = credit_card_balance["SK_ID_PREV"].values installments_payments_IDS_prev = installments_payments["SK_ID_PREV"].values prev_num = len(prev) print(prev_num) print(len(np.inter...
Home Credit Default Risk
1,068,284
models = [] seeds = [114] for seed in seeds: params = { "objective": "regression", "learning_rate":.02, "tree_learner": "data", "device_type": "cpu", "num_leaves": 128, "seed": seed, "colsample_bytree":.8, "max_depth": 7, "subsample":.9, "metric": ["rmse"] } skf = KFold(n_splits=5, random_state=seed, shuffle=True) for...
bureau_br = np.unique(bureau["SK_ID_BUREAU"].values) print(len(np.intersect1d(np.unique(bureau_balance["SK_ID_BUREAU"].values), bureau_br)) /len(bureau_br)*100 )
Home Credit Default Risk
1,068,284
joblib.dump(models, model_dir / f"models-lgbm-{VERSION}.joblib" )<predict_on_test>
breau_total = np.unique(np.intersect1d(bureau_IDS, total_IDS)) bureau_filtered = bureau.loc[bureau["SK_ID_CURR"].isin(breau_total)] b = np.intersect1d(np.unique(bureau_filtered["SK_ID_BUREAU"].values), np.unique(bureau_balance["SK_ID_BUREAU"].values)) bureau_filtered = bureau_filtered.loc[bureau_filtered["SK_ID_BUREAU"...
Home Credit Default Risk
1,068,284
for i, model in enumerate(models): if i == 0: y_preds = model.predict(X_test) else: y_preds = np.vstack(( y_preds, model.predict(X_test)) )<prepare_output>
print(len(np.unique(bureau_filtered["SK_ID_CURR"].values)) /tot*100 )
Home Credit Default Risk
1,068,284
y_preds = np.expm1(y_preds )<prepare_output>
train = application_train.drop(["TARGET"], axis = 1) train_target = application_train["TARGET"] test= application_test.copy() tr = len(application_train) print(all(i ==True for i in train.columns==test.columns))
Home Credit Default Risk
1,068,284
y_pred = y_preds.mean(axis=0 )<save_to_csv>
df = pd.concat([train, test]) del train, test, application_train, application_test gc.collect() def categorical_features(data): features = [i for i in list(data.columns)if data[i].dtype == 'object'] return features categorical = categorical_features(df) numerical = [i for i in df.columns if i not in categorical] nume...
Home Credit Default Risk
1,068,284
submission = pd.read_csv('.. /input/exam-for-students20200129/sample_submission.csv', index_col=0) submission.ConvertedSalary = y_pred submission.to_csv(model_dir / f'submission-{VERSION}.csv' )<feature_engineering>
for feature in categorical: df[feature].fillna("unidentified") print(f'Transforming {feature}...') encoder = LabelEncoder() encoder.fit(df[feature].astype(str)) df[feature] = encoder.transform(df[feature].astype(str)) df.head()
Home Credit Default Risk
1,068,284
feature_importances["mean"] = feature_importances.mean(axis=1 )<set_options>
for feats in df.columns: df[feats] = df[feats].fillna(-1) df.head()
Home Credit Default Risk
1,068,284
plt.style.use('ggplot') %matplotlib inline <set_options>
POS_CASH_balance_G1 = POS_CASH_balance.loc[POS_CASH_balance["SK_ID_CURR"].isin(total_IDS)] print(len(np.unique(POS_CASH_balance_G1["SK_ID_CURR"].values))) POS_CASH_balance_G1.head()
Home Credit Default Risk
1,068,284
pd.set_option('display.max_columns', 500 )<load_from_csv>
np.unique(POS_CASH_balance_G1["NAME_CONTRACT_STATUS"].values) POS_CASH_balance_G1_num =(POS_CASH_balance_G1.groupby("SK_ID_CURR", as_index=False ).mean()) nb = POS_CASH_balance_G1[["SK_ID_CURR", "NAME_CONTRACT_STATUS"]].groupby("SK_ID_CURR", as_index = False ).count() nb["num_in_POS_CASH"] = nb["NAME_CONTRACT_STATUS"...
Home Credit Default Risk
1,068,284
df_train = pd.read_csv('.. /input/exam-for-students20200129/train.csv', index_col=0) df_test = pd.read_csv('.. /input/exam-for-students20200129/test.csv', index_col=0 )<count_missing_values>
bureau_G1 = bureau.drop(["SK_ID_BUREAU"], axis = 1 ).loc[bureau["SK_ID_CURR"].isin(total_IDS)] print(len(np.unique(bureau_G1["SK_ID_CURR"].values))) bureau_G1.head()
Home Credit Default Risk
1,068,284
df_train.isnull().sum()<count_missing_values>
bureau_G1_num =(bureau_G1.groupby("SK_ID_CURR", as_index=False ).mean()) nb = bureau_G1[["SK_ID_CURR", "CREDIT_ACTIVE"]].groupby("SK_ID_CURR", as_index = False ).count() nb["num_in_bureau"] = nb["CREDIT_ACTIVE"] df = df.merge(bureau_G1_num, on='SK_ID_CURR', how='left' ).fillna(-1) df = df.merge(nb.drop("CREDIT_ACTIVE...
Home Credit Default Risk
1,068,284
df_test.isnull().sum()<count_values>
credit_card_balance_G1 = credit_card_balance.drop(["SK_ID_PREV"], axis = 1 ).loc[credit_card_balance["SK_ID_CURR"].isin(total_IDS)] print(len(np.unique(credit_card_balance_G1["SK_ID_CURR"].values))) credit_card_balance_G1.head()
Home Credit Default Risk
1,068,284
for col_name in df_train.columns: print(df_train[col_name].value_counts()) print(df_train[col_name].value_counts() / len(df_train[col_name]))<count_values>
credit_card_balance_G1_num =(credit_card_balance_G1.groupby("SK_ID_CURR", as_index=False ).mean()) nb = credit_card_balance_G1[["SK_ID_CURR", "NAME_CONTRACT_STATUS"]].groupby("SK_ID_CURR", as_index = False ).count() nb["num_in_credit_card"] = nb["NAME_CONTRACT_STATUS"] df = df.merge(credit_card_balance_G1_num, on='SK_...
Home Credit Default Risk
1,068,284
for col_name in df_test.columns: print(df_test[col_name].value_counts()) print(df_test[col_name].value_counts() / len(df_test[col_name]))<load_from_csv>
installments_payments_G1 = installments_payments.drop(["SK_ID_PREV"], axis = 1 ).loc[installments_payments["SK_ID_CURR"].isin(total_IDS)] print(len(np.unique(installments_payments_G1["SK_ID_CURR"].values))) installments_payments_G1.head()
Home Credit Default Risk
1,068,284
df_country_info = pd.read_csv('.. /input/exam-for-students20200129/country_info.csv' )<count_values>
installments_payments_G1_num =(installments_payments_G1.groupby("SK_ID_CURR", as_index=False ).mean()) nb = installments_payments_G1[["SK_ID_CURR", "NUM_INSTALMENT_VERSION"]].groupby("SK_ID_CURR", as_index = False ).count() nb["num_in_install_pay"] = nb["NUM_INSTALMENT_VERSION"] df = df.merge(installments_payments_G1_...
Home Credit Default Risk
1,068,284
df_country_info['Country'].value_counts()<create_dataframe>
previous_application_G1 = previous_application.drop(["SK_ID_PREV"], axis = 1 ).loc[previous_application["SK_ID_CURR"].isin(total_IDS)] print(len(np.unique(previous_application_G1["SK_ID_CURR"].values))) previous_application_G1.head()
Home Credit Default Risk
1,068,284
df_country_info_edit = df_country_info[['Country', 'Region']].copy() df_country_info_edit<merge>
previous_application_G1_num =(previous_application_G1.groupby("SK_ID_CURR", as_index=False ).mean()) nb = previous_application_G1[["SK_ID_CURR", "NAME_CONTRACT_TYPE"]].groupby("SK_ID_CURR", as_index = False ).count() nb["num_in_previous_app"] = nb["NAME_CONTRACT_TYPE"] df = df.merge(previous_application_G1_num, on='SK...
Home Credit Default Risk
1,068,284
df_train_add_countryinfo = pd.merge(df_train, df_country_info_edit, how = 'left', on = ['Country'] ).copy() df_test_add_countryinfo = pd.merge(df_test, df_country_info_edit, how = 'left', on = ['Country'] ).copy()<prepare_x_and_y>
train_X = df[:tr].drop("SK_ID_CURR", axis = 1) test_X = df[tr:].drop("SK_ID_CURR", axis = 1) y = train_target x_train, x_val, y_train, y_val = train_test_split(train_X, y, test_size=0.2, random_state=18)
Home Credit Default Risk
1,068,284
y_train = df_train_add_countryinfo['ConvertedSalary'].copy() X_train = df_train_add_countryinfo.drop(['ConvertedSalary', 'Country'], axis=1 ).copy() X_test = df_test_add_countryinfo.drop(['Country'], axis=1 ).copy()<count_unique_values>
lgt = lgb.Dataset(data=x_train, label=y_train) lgv = lgb.Dataset(data=x_val, label=y_val) params = {'task': 'train', 'boosting_type': 'gbdt', 'objective': 'binary', 'metric': 'auc', 'learning_rate': 0.01, 'num_leaves': 48, 'num_iteration': 5000, 'verbose': 0 , 'colsample_bytree':.8, 'subsample':.9, 'max_depth':7, 're...
Home Credit Default Risk
1,068,284
<categorify><EOS>
preds = model.predict(test_X) submission = pd.read_csv(".. /input/sample_submission.csv") submission['TARGET'] = preds submission.to_csv("baseline.csv", index=False) submission.head()
Home Credit Default Risk
1,056,491
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<categorify>
import gc import numpy as np import pandas as pd from sklearn.model_selection import KFold, StratifiedKFold from sklearn.preprocessing import StandardScaler,LabelEncoder from sklearn.metrics import roc_auc_score
Home Credit Default Risk
1,056,491
X_train[cats] = encoder.fit_transform(X_train[cats]) X_test[cats] = encoder.transform(X_test[cats] )<categorify>
def add_noise(series, noise_level): return series *(1 + noise_level * np.random.randn(len(series))) def target_encode(trn_series=None, tst_series=None, target=None, min_samples_leaf=1, smoothing=1, noise_level=0): assert len(trn_series)== len(target) assert trn_series.name == tst_series.name temp = pd.concat([trn_s...
Home Credit Default Risk
1,056,491
target = 'ConvertedSalary' t_encoding_col = ['Region', 'Employment', 'LastNewJob', 'YearsCodingProf', 'SalaryType', 'Currency', 'Age', 'Student', 'CompanySize', 'MilitaryUS', 'CareerSatisfaction', 'NumberMonitors', 'OperatingSystem', 'EducationParents'] for i, t_col in enumerate(t_encoding_col): X_temp = pd.concat([X_t...
def UseGPFeatures(data): v = pd.DataFrame() v["i0"] = np.tanh(((((((data["te_ORGANIZATION_TYPE"])-(((data["EXT_SOURCE_3"])* 2.0)))) -(((data["EXT_SOURCE_2"])-(( -1.0*(( data["EXT_SOURCE_2"])))))))) -(data["EXT_SOURCE_1"]))) v["i1"] = np.tanh(((((data["NAME_CONTRACT_STATUS_Refused"])/ 2.0)) +(((((((np.minimum(((data["t...
Home Credit Default Risk
1,056,491
y_train_log = np.log1p(y_train ).copy()<train_on_grid>
gc.enable() buro_bal = pd.read_csv('.. /input/bureau_balance.csv') print('Buro bal shape : ', buro_bal.shape) print('transform to dummies') buro_bal = pd.concat([buro_bal, pd.get_dummies(buro_bal.STATUS, prefix='buro_bal_status')], axis=1 ).drop('STATUS', axis=1) print('Counting buros') buro_counts = buro_bal[['SK...
Home Credit Default Risk
1,056,491
scores = [] kf = KFold(n_splits=5, random_state=71, shuffle=True) for i,(train_ix, test_ix)in tqdm(enumerate(kf.split(X_train, y_train_log))): X_train_, y_train_ = X_train.values[train_ix], y_train_log.values[train_ix] X_val, y_val = X_train.values[test_ix], y_train_log.values[test_ix] reg = LGBMRegressor() reg.fit(X_...
train.columns = train.columns.str.replace('[^A-Za-z0-9_]', '_') test.columns = test.columns.str.replace('[^A-Za-z0-9_]', '_' )
Home Credit Default Risk
1,056,491
np.expm1(y_pred )<predict_on_test>
floattypes = [] inttypes = [] stringtypes = [] for c in test.columns: if(train[c].dtype=='object'): train[c] = train[c].astype('str') stringtypes.append(c) elif(train[c].dtype=='int64'): train[c] = train[c].astype('int32') inttypes.append(c) else: train[c] = train[c].astype('float32') floattypes.append(c) train =...
Home Credit Default Risk
1,056,491
reg.fit(X_train, y_train_log, eval_metric='rmse') y_pred = np.expm1(reg.predict(X_test)) <load_from_csv>
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in stringtypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] _, test['te_'+col] = target_encode(train[col], test[col], target=train['TARGET'], min_samples_leaf=100, smoothing=SMOOTHING, no...
Home Credit Default Risk
1,056,491
submission = pd.read_csv('.. /input/exam-for-students20200129/sample_submission.csv', index_col=0) submission.ConvertedSalary = y_pred submission.to_csv('submission.csv' )<compute_test_metric>
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in inttypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] _, test['te_'+col] = target_encode(train[col], test[col], target=train['TARGET'], min_samples_leaf=100, smoothing=SMOOTHING, noise...
Home Credit Default Risk
1,056,491
fti = reg.feature_importances_ print('Feature Importances:') for i, feat in enumerate(X_train): print('\t{0:20s} : {1:>.6f}'.format(feat, fti[i]))<set_options>
ntrainrows = train.shape[0] alldata = pd.concat([train,test]) del train ,test gc.collect()
Home Credit Default Risk
1,056,491
%matplotlib inline plt.style.use("dark_background" )<define_variables>
alldata['nans'] = alldata.isnull().sum(axis=1 )
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def seed_everything(seed=1234): random.seed(seed) os.environ['PYTHONHASHSEED'] = str(seed) tf.random.set_seed(seed) np.random.seed(seed) seed_everything(2020 )<define_variables>
for col in inttypes[1:]: x = alldata[col].value_counts().reset_index(drop=False) x.columns = [col,'cnt_'+col] x['cnt_'+col]/=alldata.shape[0] alldata = alldata.merge(x,on=col,how='left' )
Home Credit Default Risk
1,056,491
main_dir = ".. /input/biobytes-contest" <load_from_csv>
alldata[features] = alldata[features].astype('float32' )
Home Credit Default Risk
1,056,491
with open(f"{main_dir}/Main_data.txt")as f: temp = f.read() temp = temp[:temp.index('>', 1)] print("When printed it looks like so: ".upper() + temp) print("Raw string: ".upper() + repr(temp))<load_from_csv>
for c in features: ss = StandardScaler() alldata.loc[~alldata[c].isnull() ,c] = ss.fit_transform(alldata.loc[~alldata[c].isnull() ,c].values.reshape(-1,1)) alldata[c].fillna(alldata[c].mean() ,inplace=True )
Home Credit Default Risk
1,056,491
data = pd.read_csv( f"{main_dir}/Main_data.txt", sep=' ', names=['Name', 'P_Seq', 'Target'], lineterminator='>', index_col=False ) for name, value in zip(['Name', 'P_seq', 'Target'], data.iloc[0]): print(f"{name}: {repr(value)} " )<load_from_csv>
train = alldata[:ntrainrows] test = alldata[ntrainrows:]
Home Credit Default Risk
1,056,491
test =( pd.read_csv( f"{main_dir}/Test_data.txt", sep=' ', names=['Name', 'P_Seq'], lineterminator='>', index_col=False) .applymap(lambda x: x.rstrip('\r')) ) for name, value in zip(['Name', 'P_seq', 'Target'], test.iloc[0]): print(f"{name}: {repr(value)} " )<load_from_csv>
traintargets = train.TARGET.values train = UseGPFeatures(train) test = UseGPFeatures(test) train['TARGET'] = traintargets
Home Credit Default Risk
1,056,491
sample_sub = pd.read_csv(f"{main_dir}/Sample_Solution.csv") sample_sub.head()<feature_engineering>
gc.enable()
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data['P_Main_Class'] = data.Name.str.extract(":(\w)") data['P_Sub_Class'] = data.Name.str.extract(" (.+):\w") data['Seq_len'] = data.P_Seq.apply(len) data['Uniq_seq_Count'] = data.P_Seq.apply(lambda x: len(set(x))) data['B_Site_Count'] = data.Target.str.count('1') data['B_Site_percent'] = data['B_Site_Count'] / da...
folds = KFold(n_splits=5, shuffle=True, random_state=42) oof_preds = np.zeros(train.shape[0]) sub_preds = np.zeros(test.shape[0]) feats = [f for f in train.columns if f not in ['SK_ID_CURR','TARGET']]
Home Credit Default Risk
1,056,491
uniq = set() for _, seq in data.P_Seq.iteritems() : uniq |= set(seq) print(uniq) len(uniq )<categorify>
for n_fold,(trn_idx, val_idx)in enumerate(folds.split(train)) : trn_x, trn_y = train[feats].iloc[trn_idx], train.iloc[trn_idx]['TARGET'] val_x, val_y = train[feats].iloc[val_idx], train.iloc[val_idx]['TARGET'] clf = LGBMClassifier( n_estimators=4000, learning_rate=0.03, num_leaves=30, colsample_bytree=.8, subsample=.9...
Home Credit Default Risk
1,056,491
<categorify><EOS>
Submission = pd.DataFrame({ 'SK_ID_CURR': ID,'TARGET': sub_preds }) Submission.to_csv("hybrid.csv", index=False )
Home Credit Default Risk
1,030,120
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<feature_engineering>
pd.set_option('display.max_columns', None) %matplotlib inline color = sns.color_palette() warnings.filterwarnings("ignore" )
Home Credit Default Risk
1,030,120
temp = data.apply(lambda x: np.array(list(x[1])) [np.array(list(x[2])).astype(bool)], axis=1) temp = temp.apply(pd.Series ).stack().reset_index(level=1, drop=True) freq_occured = data.P_Seq.apply(lambda x: pd.Series(list(x)).value_counts() ).sum() freq_bound = temp.value_counts() freq = pd.merge( pd.DataFrame(freq_o...
application_train = pd.read_csv('.. /input/application_train.csv') application_test= pd.read_csv('.. /input/application_test.csv') bureau = pd.read_csv('.. /input/bureau.csv') bureau_balance = pd.read_csv('.. /input/bureau_balance.csv') POS_CASH_balance = pd.read_csv('.. /input/POS_CASH_balance.csv') credit_card_b...
Home Credit Default Risk
1,030,120
sub = test['P_Seq'].apply(list ).explode().reset_index() sub = sub.rename({'index': 'Seq_No', "P_Seq": 'Peptide'}, axis=1) sub['Id'] = sub.index sub = sub.iloc[:, [-1, 0, 1]] sub.head()<data_type_conversions>
application_train = pd.read_csv('.. /input/application_train.csv') application_test= pd.read_csv('.. /input/application_test.csv' )
Home Credit Default Risk
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sub["Expected"] = sub.groupby("Seq_No")['Id'].transform(lambda x:(np.random.random(len(x)) < 0.35 ).astype(int)) sub.head()<save_to_csv>
def feature_type_split(data, special_list=[]): cat_list = [] dis_num_list = [] num_list = [] for i in data.columns.tolist() : if data[i].dtype == 'object': cat_list.append(i) elif data[i].nunique() < 25: dis_num_list.append(i) elif i in special_list: dis_num_list.append(i) else: num_list.append(i) return cat_list, ...
Home Credit Default Risk
1,030,120
sub[['Id', 'Expected']].to_csv("Naive_submission.csv", index=False )<categorify>
application_train['TERM'] = application_train.AMT_CREDIT / application_train.AMT_ANNUITY application_test['TERM'] = application_test.AMT_CREDIT / application_test.AMT_ANNUITY
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1,030,120
mapper = dict(zip(freq.Peptide, freq.Percent)) print(mapper )<data_type_conversions>
application_train['OVER_EXPECT_CREDIT'] =(application_train.AMT_CREDIT > application_train.AMT_GOODS_PRICE ).map({False:0, True:1}) application_test['OVER_EXPECT_CREDIT'] =(application_test.AMT_CREDIT > application_test.AMT_GOODS_PRICE ).map({False:0, True:1} )
Home Credit Default Risk
1,030,120
sub['Expected'] =( sub.Peptide.map(mapper)/ 100 > sub.groupby('Peptide')['Id'].transform(lambda x: np.random.random(len(x))) ).astype(int )<categorify>
application_train['MEAN_BUILDING_SCORE_AVG'] = application_train.iloc[:, 44:58].mean(skipna=True, axis=1) application_train['TOTAL_BUILDING_SCORE_AVG'] = application_train.iloc[:, 44:58].sum(skipna=True, axis=1) application_test['MEAN_BUILDING_SCORE_AVG'] = application_test.iloc[:, 44:58].mean(skipna=True, axis=1) a...
Home Credit Default Risk
1,030,120
temp = np.random.choice(list(mapper.keys())) mapper[temp] / 100, sub.loc[sub.Peptide == temp, 'Expected'].mean()<save_to_csv>
application_train['FLAG_DOCUMENT_TOTAL'] = application_train.iloc[:, 96:116].sum(axis=1) application_test['FLAG_DOCUMENT_TOTAL'] = application_test.iloc[:, 96:116].sum(axis=1 )
Home Credit Default Risk
1,030,120
sub[['Id', 'Expected']].to_csv("Peptide_Based_Fprediction.csv", index=False )<categorify>
application_train['AMT_REQ_CREDIT_BUREAU_TOTAL'] = application_train.iloc[:, 116:122].sum(axis=1) application_test['AMT_REQ_CREDIT_BUREAU_TOTAL'] = application_test.iloc[:, 116:122].sum(axis=1 )
Home Credit Default Risk
1,030,120
Y = data.Target.apply(list ).explode().values.astype(int) y_hat_naive =(np.random.random(len(Y)) < 0.35 ).astype(int) y_hat_freq_based =( data.P_Seq.apply(list ).explode().reset_index(drop=True ).map(mapper)/ 100 > (data.P_Seq.apply(list ).explode().to_frame().reset_index().groupby("P_Seq") .transform(lambda x: np....
application_train['BIRTH_EMPLOTED_INTERVEL'] = application_train.DAYS_EMPLOYED - application_train.DAYS_BIRTH application_test['BIRTH_EMPLOTED_INTERVEL'] = application_test.DAYS_EMPLOYED - application_test.DAYS_BIRTH
Home Credit Default Risk
1,030,120
flat_data = pd.DataFrame({ "P_Seq": data.P_Seq.apply(list ).explode() , "Target": data.Target.apply(list ).explode().astype(int) }) flat_data.head()<choose_model_class>
application_train['BIRTH_REGISTRATION_INTERVEL'] = application_train.DAYS_REGISTRATION - application_train.DAYS_BIRTH application_test['BIRTH_REGISTRATION_INTERVEL'] = application_test.DAYS_REGISTRATION - application_test.DAYS_BIRTH
Home Credit Default Risk
1,030,120
tf.keras.backend.clear_session() model = tf.keras.models.Sequential() model.add(tf.keras.layers.Input(shape=(len(peptide_mapper),))) model.add(tf.keras.layers.Dense(1, activation='sigmoid')) model.compile(loss='binary_crossentropy', optimizer='adam', metrics=tf.keras.metrics.AUC()) model.summary()<train_model>
application_train['MEAN_BUILDING_SCORE_AVG'] = application_train.iloc[:, 44:58].mean(skipna=True, axis=1) application_train['TOTAL_BUILDING_SCORE_AVG'] = application_train.iloc[:, 44:58].sum(skipna=True, axis=1) application_test['MEAN_BUILDING_SCORE_AVG'] = application_test.iloc[:, 44:58].mean(skipna=True, axis=1) a...
Home Credit Default Risk
1,030,120
hist = model.fit( tf.one_hot(flat_data.P_Seq.map(peptide_mapper), depth=20), flat_data.Target, validation_split=0.2, callbacks=tf.keras.callbacks.EarlyStopping(patience=10), epochs=100, verbose=0) print("Train Best ROC_AUC Score: {:.2f}".format(hist.history['auc'][-1])) print("Val Best ROC_AUC Score: {:6.2f}".format(...
import lightgbm as lgb from lightgbm import LGBMClassifier from sklearn.metrics import roc_auc_score from sklearn.model_selection import StratifiedKFold
Home Credit Default Risk
1,030,120
sub['Expected'] =( model.predict(tf.one_hot( sub.Peptide.map(peptide_mapper), depth=len(peptide_mapper))) )<save_to_csv>
X = application_train.drop(['SK_ID_CURR', 'TARGET'], axis=1) y = application_train.TARGET X_pred = application_test.drop(['SK_ID_CURR'], axis=1 )
Home Credit Default Risk
1,030,120
sub[['Id', 'Expected']].to_csv("Linear_model_one_hot.csv", index=False )<categorify>
folds = StratifiedKFold(n_splits=5,random_state=6) oof_preds = np.zeros(X.shape[0]) sub_preds = np.zeros(X_pred.shape[0] )
Home Credit Default Risk
1,030,120
flat_data['Percent'] = flat_data.P_Seq.map(mapper ).astype(float)/ 100 flat_data = flat_data.merge(data.iloc[:, 3:7], right_index=True, left_index=True) flat_data['Position'] = flat_data.groupby(flat_data.index)['P_Seq'].transform(lambda x: np.arange(len(x)) / len(x)) flat_data.head()<feature_engineering>
start = time.time() valid_score = 0 for n_fold,(trn_idx, val_idx)in enumerate(folds.split(X, y)) : trn_x, trn_y = X.iloc[trn_idx], y[trn_idx] val_x, val_y = X.iloc[val_idx], y[val_idx] train_data = lgb.Dataset(data=trn_x, label=trn_y,categorical_feature=categorical_feats) valid_data = lgb.Dataset(data=val_x, label=val...
Home Credit Default Risk
1,030,120
<categorify><EOS>
application_test= pd.read_csv('.. /input/application_test.csv') output = pd.DataFrame({'SK_ID_CURR':application_test.SK_ID_CURR, 'TARGET': sub_preds}) output.to_csv('only_application_pred.csv', index=False )
Home Credit Default Risk
1,020,569
<SOS> metric: AUC Kaggle data source: home-credit-default-risk<choose_model_class>
import gc import numpy as np import pandas as pd from sklearn.model_selection import KFold from sklearn.preprocessing import StandardScaler
Home Credit Default Risk
1,020,569
tf.keras.backend.clear_session() model = tf.keras.models.Sequential() model.add(tf.keras.layers.Input(shape=(shape,))) model.add(tf.keras.layers.Dense(1, activation='sigmoid')) model.compile(loss='binary_crossentropy', optimizer='adam', metrics=tf.keras.metrics.AUC()) hist = model.fit( process_flat_df(flat_data.drop...
def add_noise(series, noise_level): return series *(1 + noise_level * np.random.randn(len(series))) def target_encode(trn_series=None, tst_series=None, target=None, min_samples_leaf=1, smoothing=1, noise_level=0): assert len(trn_series)== len(target) assert trn_series.name == tst_series.name temp = pd.concat([trn_s...
Home Credit Default Risk
1,020,569
predictions = model.predict( process_flat_df( sub.drop(['Id'], axis=1), ohc=[('P_Sub_Class', len(psc_mapper)) ]) ) sub['Expected'] = predictions sub.head()<save_to_csv>
gc.enable() buro_bal = pd.read_csv('.. /input/bureau_balance.csv') print('Buro bal shape : ', buro_bal.shape) print('transform to dummies') buro_bal = pd.concat([buro_bal, pd.get_dummies(buro_bal.STATUS, prefix='buro_bal_status')], axis=1 ).drop('STATUS', axis=1) print('Counting buros') buro_counts = buro_bal[['SK...
Home Credit Default Risk
1,020,569
sub[['Id', 'Expected']].to_csv("Linear_model_with_meta.csv", index=False )<categorify>
floattypes = [] inttypes = [] stringtypes = [] for c in test.columns: if(train[c].dtype=='object'): train[c] = train[c].astype('str') stringtypes.append(c) elif(train[c].dtype=='int64'): train[c] = train[c].astype('int32') inttypes.append(c) else: train[c] = train[c].astype('float32') floattypes.append(c )
Home Credit Default Risk
1,020,569
def get_freq(series, min_thresh=0.65, fit=False): 'Returns a 20 * n matrix containing frequencies for each sequence' global cnt if fit: cnt = CountVectorizer(analyzer='char', ngram_range=(1, 2), min_df=min_thresh, lowercase=False) return pd.DataFrame(cnt.fit_transform(series ).todense() , columns=cnt.get_feature_names...
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in stringtypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] _, test['te_'+col] = target_encode(train[col], test[col], target=train['TARGET'], min_samples_leaf=100, smoothing=SMOOTHING, no...
Home Credit Default Risk
1,020,569
dc=[ 'P_Sub_Class', ] ohc=[ ('P_Sub_Class', len(psc_mapper)) , ] temp = process_flat_df( flat_data.drop("Target", 1), ohc=ohc, dc=dc, pep_freq=(data.P_Seq, True), as_df=True ).head(3) shape = temp.shape[1] temp<choose_model_class>
kf = KFold(n_splits=5, shuffle=True, random_state=42) for col in inttypes: train['te_'+col] = 0. test['te_'+col] = 0. SMOOTHING = test[~test[col].isin(train[col])].shape[0]/test.shape[0] _, test['te_'+col] = target_encode(train[col], test[col], target=train['TARGET'], min_samples_leaf=100, smoothing=SMOOTHING, noise...
Home Credit Default Risk
1,020,569
tf.keras.backend.clear_session() model = tf.keras.models.Sequential() model.add(tf.keras.layers.Input(shape=(shape,))) model.add(tf.keras.layers.Dense(units=1, activation='sigmoid')) model.compile(loss='binary_crossentropy', optimizer=tf.keras.optimizers.Adam(0.0025), metrics=tf.keras.metrics.AUC()) hist = model.fit(...
test.insert(1,'TARGET',-1) alldata = pd.concat([train,test]) del train ,test gc.collect()
Home Credit Default Risk
1,020,569
predictions = model.predict( process_flat_df( sub.drop(["Expected", "Id"], 1), ohc=ohc, dc=dc, pep_freq=(test.P_Seq, False)) , ) sub['Expected'] = predictions sub.head(3 )<save_to_csv>
alldata[features] = alldata[features].astype('float32' )
Home Credit Default Risk
1,020,569
sub[['Id', 'Expected']].to_csv("Linear_model_with_Seq_freq.csv", index=False )<categorify>
alldata['nans'] = alldata.isnull().sum(axis=1 )
Home Credit Default Risk
1,020,569
SHIFT = 2 dc=[ 'P_Main_Class', 'Uniq_seq_Count', ] ohc=[ ] temp = process_flat_df( flat_data.drop("Target", 1), ohc=ohc, dc=dc, pep_freq=(data.P_Seq, True), seq_shift=SHIFT, as_df=True ).head(5) shape = temp.shape[1] print("The number of columns in data that would be fit to our model is:", shape) temp.iloc[:3, 29:29...
for col in inttypes[1:]: x = alldata[col].value_counts().reset_index(drop=False) x.columns = [col,'cnt_'+col] x['cnt_'+col]/=alldata.shape[0] alldata = alldata.merge(x,on=col,how='left' )
Home Credit Default Risk
1,020,569
flat_data['P_Seq'].head(5 ).map(peptide_mapper ).values<choose_model_class>
for c in features: ss = StandardScaler() alldata.loc[~alldata[c].isnull() ,c] = ss.fit_transform(alldata.loc[~alldata[c].isnull() ,c].values.reshape(-1,1)) alldata[c].fillna(alldata[c].mean() ,inplace=True )
Home Credit Default Risk
1,020,569
SHIFT = 3 tf.keras.backend.clear_session() model = tf.keras.models.Sequential() model.add(tf.keras.layers.Input(shape=(shape,))) model.add(tf.keras.layers.Dropout(0.1)) model.add(tf.keras.layers.Dense(units=1, activation='sigmoid')) model.compile(loss='binary_crossentropy', optimizer=tf.keras.optimizers.Adam(0.005), m...
train = alldata[alldata.TARGET>-1] test = alldata[alldata.TARGET==-1]
Home Credit Default Risk
1,020,569
predictions = model.predict( process_flat_df( sub.drop(["Expected", "Id"], 1), ohc=ohc, dc=dc, pep_freq=(test.P_Seq, False) ), ) sub['Expected'] = predictions sub.head(3 )<save_to_csv>
def GPI(data): return Output(0.100000*np.tanh(((((((((data["EXT_SOURCE_3"])* 2.0)) -(((data["te_OCCUPATION_TYPE"])-(((((( data["EXT_SOURCE_1"])>(data["DAYS_CREDIT"])) *1.))+(data["EXT_SOURCE_2"])))))))*(-2.0)))-(data["EXT_SOURCE_2"])))+ 0.100000*np.tanh(((((((((data["te_OCCUPATION_TYPE"])-(data["EXT_SOURCE_3"])))+(( -1...
Home Credit Default Risk
1,020,569
sub[['Id', 'Expected']].to_csv("Linear_model_with_hist.csv", index=False )<import_modules>
def GPII(data): return Output(0.100000*np.tanh(((((((data["te_ORGANIZATION_TYPE"])-(((data["EXT_SOURCE_3"])* 2.0)))) -(((data["EXT_SOURCE_2"])-(( -1.0*(( data["EXT_SOURCE_2"])))))))) -(data["EXT_SOURCE_1"])))+ 0.100000*np.tanh(((((data["NAME_CONTRACT_STATUS_Refused"])/ 2.0)) +(((((((np.minimum(((data["te_OCCUPATION_TYP...
Home Credit Default Risk
1,020,569
for dirname, _, filenames in os.walk('/kaggle/input'): for filename in filenames: print(os.path.join(dirname, filename)) <load_from_csv>
def GPIII(data): return Output(0.100000*np.tanh(((( 6.72599077224731445)) -(np.where(((((( -1.0*(((((((((-1.0*(( data["EXT_SOURCE_3"])))) -(data["EXT_SOURCE_1"])))/ 2.0)) * 2.0)))))* 2.0)) * 2.0)>0,(11.37177181243896484), data["EXT_SOURCE_3"])))) + 0.100000*np.tanh(((data["DAYS_BIRTH"])+(((((((((data["NAME_CONTRACT_STA...
Home Credit Default Risk