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mode = lambda x: Counter(x).most_common(1)[0][0] | |
aggs = { | |
'purchase_amount' : ['sum','max','min','mean','var','skew'], | |
'installments' : ['sum','max','mean','var','skew'], | |
'purchase_date' : ['max','min'], | |
'month_lag' : ['max','min','mean','var','skew'], | |
'month_diff':['max','min','mean','var','skew'], | |
'weekend' : ['sum', 'mean'], | |
'weekday' : ['sum', 'mean'], | |
'authorized_flag': ['sum', 'mean'], | |
'category_1': ['sum','mean', 'max','min'], | |
'category_2': ['sum','mean', 'max','min'], | |
'category_3': ['sum','mean', 'max','min'], | |
'card_id' : ['size','count'], | |
'month': ['nunique', 'mean', 'min', 'max'], | |
'hour': ['nunique', 'mean', 'min', 'max'], | |
'weekofyear': ['nunique', 'mean', 'min', 'max'], | |
'day': ['nunique', 'mean', 'min', 'max'], | |
'subsector_id': ['nunique',], | |
'merchant_id': ['nunique',], | |
'merchant_category_id' : ['nunique',], | |
'price' :['sum','mean','max','min','var','skew'], | |
'duration' : ['mean','min','max','var','skew'], | |
'amount_month_ratio':['mean','min','max','var','skew'], | |
'Christmas_Day_2017': ['mean'], | |
'Mothers_Day_2017': ['mean'], | |
'fathers_day_2017': ['mean'], | |
'Children_day_2017': ['mean'], | |
'Valentine_Day_2017': ['mean'], | |
'Black_Friday_2017': ['mean'], | |
'Mothers_Day_2018' : ['mean'], | |
"merchants_merchant_group_id": mode, | |
"merchants_merchant_category_id": mode, | |
"merchants_subsector_id": mode, | |
"merchants_numerical_1": "mean", | |
"merchants_numerical_2": "mean", | |
"merchants_category_1": mode, | |
"merchants_most_recent_sales_range": mode, | |
"merchants_most_recent_purchases_range": mode, | |
"merchants_avg_sales_lag3": "mean", | |
"merchants_avg_purchases_lag3": "mean", | |
"merchants_active_months_lag3": mode, | |
"merchants_avg_sales_lag6": "mean", | |
"merchants_avg_purchases_lag6": "mean", | |
"merchants_active_months_lag6": mode, | |
"merchants_avg_sales_lag12": "mean", | |
"merchants_avg_purchases_lag12": "mean", | |
"merchants_active_months_lag12": mode, | |
"merchants_category_4": mode, | |
"merchants_city_id": mode, | |
"merchants_state_id": mode, | |
"merchants_category_2": mode | |
} | |
hist_trans_df = hist_trans_df.reset_index().groupby('card_id').agg(aggs) # perform agg on new transactions | |
hist_trans_df.columns = pd.Index([e[0] + "_" + e[1] for e in hist_trans_df.columns.tolist()]) | |
hist_trans_df.columns = ['hist_'+ c for c in hist_trans_df.columns] # change column name for each aggregeted columns. |
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