Pandas Add pivot (reshape) option to handle duplicate keys (e.g. take first or last obs)

http://stackoverflow.com/questions/11232275/pandas-pivot-warning-about-repeated-entries-on-index

Comment From: femtotrader

+1

Comment From: codeisnotcode

+1

Comment From: jorisvandenbossche

This is pivot_table: http://pandas.pydata.org/pandas-docs/stable/generated/pandas.pivot_table.html