如果在调用pivot_table()时,省略了" values "参数, 而输入的DataFrame对象,除了 被用于index的,以及被用于columns的列以外,还有2个或者更多的列,结果就是一个具有层次列的DataFrame对象,这个对象的最上面的层次分别表示原DataFrame对象的不同的列. If thevaluesargument is omitted, and the input DataFrame has mor...
pivot_table(values='SALES_VALUE',index = 'DATE_MEASUREMENT', columns='SKU',aggfunc='sum') #Format the data to fillin zero and have the right datatype for HANA PAL correlation function dp = dp.fillna(0,SKUS).cast(SKUS, 'DOUBLE') This generates a hana_ml dataframe which has SALES_...
In python, the question becomes extremely simple because pandas has its built-in function especially for pivoting dataframe. We can either use the top level functionpd.pivot_tableor the instance functiondf.pivot_table. Either way works. Here is the syntax for pivotting long to wide format. pd...