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DataFrame.rank() does not work for dtype object #742

james18 opened this issue Feb 3, 2012 · 0 comments


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commented Feb 3, 2012

from pandas import DataFrame

df = DataFrame([['b','c','a'],['a','c','b']])

ranked = df..rank(1)

ranked = Empty DataFrame

ranked = a ranked DataFrame (by row) as in the case of DataFrame.rank(1) of dtype = float/int/etc

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