pandas drop index level
DataFrame. drop (labels=None, axis=0, index=None, columns=None, level=None, ... When using a multi-index, labels on different levels can be removed by ... ,DataFrame. drop (self, labels=None, axis=0, index=None, columns=None, ... a multi-index, labels on different levels can be removed by specifying the level.
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 pandas drop index level 相關參考資料
How to remove levels from a multi-indexed dataframe? - Stack Overflow
df.reset_index(level=2, drop=True) Out[29]: A 1 1 8 3 9 ... You can also specify negative indices, for selection from the end: df.index ... https://stackoverflow.com pandas.DataFrame.drop — pandas 0.23.3 documentation
DataFrame. drop (labels=None, axis=0, index=None, columns=None, level=None, ... When using a multi-index, labels on different levels can be removed by ... https://pandas.pydata.org pandas.DataFrame.drop — pandas 0.25.0.dev0+752 ...
DataFrame. drop (self, labels=None, axis=0, index=None, columns=None, ... a multi-index, labels on different levels can be removed by specifying the level. https://pandas-docs.github.io pandas.DataFrame.drop — pandas 0.25.1 documentation
pandas.DataFrame.drop. Remove rows or columns by specifying label names and corresponding axis, or by specifying directly index or column names. When using a multi-index, labels on different levels ca... https://pandas.pydata.org pandas.DataFrame.droplevel — pandas 0.25.0.dev0+752 ...
Return DataFrame with requested index / column level(s) removed. ... be the name of a level If list-like, elements must be names or positional indexes of levels. https://pandas-docs.github.io pandas.DataFrame.reset_index — pandas 0.17.0 ...
Removes all levels by default. drop : boolean, default False. Do not try to insert index into dataframe columns. This resets the index to the default integer index. https://pandas.pydata.org pandas.DataFrame.reset_index — pandas 0.25.1 ...
Reset the index, or a level of it. Reset the index of the DataFrame, and use the default one instead. If the DataFrame has a MultiIndex, this method can remove ... https://pandas.pydata.org pandas.MultiIndex.droplevel — pandas 0.18.0 documentation
MultiIndex.droplevel(level=0)¶. Return Index with requested level removed. If MultiIndex has only 2 levels, the result will be of Index type not MultiIndex. https://pandas.pydata.org pandas.MultiIndex.droplevel — pandas 0.25.1 documentation
If resulting index has only 1 level left, the result will be of Index type, not MultiIndex. Parameters: level : int, str, or list-like, default 0. If a string is given, must be the name of a level If ... https://pandas.pydata.org Pandas: drop a level from a multi-level column index? - Stack Overflow
DataFrame([[1,2], [3,4]], columns=cols) >>> df a b c 0 1 2 1 3 4 [2 rows ... Dropping the top level would leave two columns with the index 'y'. https://stackoverflow.com |