Daily Archive: 26 3 月, 2023

Python如何做excel的樞紐分析? groupbyObj = df.groupby(['A', 'B']) ; groupbyObj.apply() 跟 groupbyObj.agg() 差異為何? result = groupbyObj .apply( function(df) -> Series ) ; result_agg = groupbyObj .agg( ['mean', 'std'] ) ; aggfunc(Series) -> float - 儲蓄保險王

2023-03-26

Python如何做excel的樞紐分析? groupbyObj = df.groupby([‘A’, ‘B’]) ; groupbyObj.apply() 跟 groupbyObj.agg() 差異為何? result = groupbyObj .apply( function(df) -> Series ) ; result_agg = groupbyObj .agg( [‘mean’, ‘std’] ) ; aggfunc(Series) -> float

import pandas as pd import numpy a...

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