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Unstack with an object variable overwrites BlockManager #403

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jseabold opened this issue Nov 22, 2011 · 2 comments
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Unstack with an object variable overwrites BlockManager #403

jseabold opened this issue Nov 22, 2011 · 2 comments
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0.6.0

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@jseabold
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Consider the (long) code snippet here. Unless you remove ccode from the df beforehand, you end up with all object dtype for df after unstack.

http://www.pastie.org/2904328
wesm added a commit that referenced this issue Nov 23, 2011
@wesm
BUG: handle mixed-type frames carefully in unstack, GH #403
eaf38f9
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wesm commented Nov 23, 2011

took care of this in the above commit. was less trivial than I expected

@wesm wesm closed this as completed Nov 23, 2011
@jseabold
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Awesome. Thanks.

@hayd hayd mentioned this issue Jul 29, 2013
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dan-nadler pushed a commit to dan-nadler/pandas that referenced this issue Sep 23, 2019
@rkempter @richardbounds
Update CHANGES.md (pandas-dev#403)
718a714 
Add release date
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