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chris1610's comments
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chris1610
on Jan 3, 2015
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Pandas pivot table explained
I think it ultimately is just a simpler wrapper around groupby once you start trying to do multiple levels of analysis.
mrits
on Jan 3, 2015
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it seems like "columns" would be analogous to multiple "sum(CASE WHEN 'val' ELSE 0) as col" SQL idioms.
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