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BUG: combine_first changing dtypes of untouched columns #3041

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jreback opened this issue Mar 13, 2013 · 0 comments · Fixed by #3044
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BUG: combine_first changing dtypes of untouched columns #3041

jreback opened this issue Mar 13, 2013 · 0 comments · Fixed by #3044

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@jreback
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jreback commented Mar 13, 2013

fixed for update in PR #3021

groupby and first/last too

www.stackoverflow.com/questions/15349795/pandas-dataframe-combine-first-and-update-methods-have-strange-behavior
@jreback jreback mentioned this issue Mar 14, 2013
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jreback added a commit that referenced this issue Mar 14, 2013
@jreback
Merge pull request #3043 from jreback/combine_3016
4b22372 
BUG: frame combine_first where non-specified values could cause dtype changes (#3041)
@jreback jreback mentioned this issue Mar 14, 2013
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@jreback jreback closed this as completed Mar 14, 2013
@jreback jreback mentioned this issue Mar 23, 2013
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@wilsaj wilsaj mentioned this issue May 9, 2013
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@altaurog altaurog mentioned this issue Jun 19, 2014
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BUG: Bug in groupby with first/last where dtypes could change (GH3041_) jreback/pandas
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