https://stackoverflow.com/questions/39273441/flatten-pandas-pivot-table
Flatten pandas pivot table
This is a follow up of my question. Rather than a pivot table, is it possible to flatten table to look like the following: data = {'year': ['2016', '2016', '2015', '2014', '2013'], 'country':[...
stackoverflow.com
df_test_01 = pd.pivot_table( df_test , index =['part_datecd'] , columns='good_cls1cd', values=['ntsal_amt','sal_qty'])
# index : 행
# columns : 컬럼으로 들어갈 컬럼명
# value : 값
df_test.columns = list(map("_".join, df_test_01.columns))'언어 꿀Tip > Python 꿀tip!' 카테고리의 다른 글
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