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xref #14779
So I think it might be nice to have these as convenience methods on DataFrame().
we can deprecate (pd.melt
& pd.wide_to_long
), though we didn't deprecate pd.pivot_table
, even though it exists on DataFrame
, so this can be a discussion point.
but if we do this, then maybe have a shorter / better name than wide_to_long
? (even though it is strictly speaking pretty informative).