How to apply hierarchy or multi-index to panda columns

How to apply hierarchy or multi-index to panda columns



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3.IO Tools (Text, CSV, HDF5, ...) — pandas 0.13.1 ...

Description:Note. When passing a dict as the parse_dates argument, the
order of the columns prepended is not guaranteed, because dict objects do
not impose an ordering on their …



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6.SharePoint: Group By on more than 2 columns in a view ...

Description:11-11-2008 · Create a new Standard View from the list's view
menu. Generally don't bother with any options other than selecting the
desired columns.



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Description:PageRank is an algorithm used by Google Search to rank
websites in their search engine results. PageRank was named after Larry
Page, one of the founders of Google.



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