[英]Dictionary of Pandas Dataframes to MultiIndex Dataframe
I have a dict of Pandas Dataframes, say 比如,我有一个Pandas Dataframes的字典
d = {A: pd.DataFrame([[0, 1, 2], [2, 2, 4]),
B: pd.DataFrame([[1, 1, 1], [2, 2, 2]}
and I'd like to change it into a MultiIndex DataFrame like this: 我想把它改成像这样的MultiIndex DataFrame:
A 0 0, 1, 2
1 2, 2, 4
B 0 1, 1, 1
1 2, 2, 2
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