nipdep
/
How-to-Win-a-Data-Science-Competition-Learn-from-Top-Kagglers
mirror of https://github.com/nipdep/How-to-Win-a-Data-Science-Competition-Learn-from-Top-Kagglers.git


  
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import numpy as np
import pandas as pd

sales_train = pd.read_csv('readonly/final_project_data/sales_train.csv.gz')
sales_train.head()

sales_train.sort_values(by=['date_block_num'])

sales_train.groupby(by=['item_id','shop_id']).apply(lambda x:list(x)[0])