BUG/TST: transform and filter on non-unique index, closes #4620#5375

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jreback merged 1 commit intopandas-dev:masterfrom

danielballan:filter-nonunique

Nov 1, 2013

Commits on Oct 31, 2013

BUG/TST: transform and filter on non-unique index, closes #4620
danielballan
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