BUG: TimeGrouper sortedness / API fix (GH4161,GH3881)#6350

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jreback merged 1 commit intopandas-dev:masterfrom

jreback:groupby_sorted

Feb 14, 2014

Commits on Feb 14, 2014

BUG: Bug in TimeGrouper/resample when presented with a non-monotonic DatetimeIndex would return invalid results. (GH4161)
jreback
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