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BUG: nanops.var produces incorrect results due to int64 overflow (fixes #2888) #2889

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Merged
merged 1 commit into from
Feb 23, 2013

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stephenwlin
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fixes #2888

@stephenwlin
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as a side note, apparently the tests as they were would never fail for certain ops, because they were comparing (e.g.) Series.std() to np.std(), but the latter was just calling the former anyway. (maybe this is new behavior since the tests were created.)

anyway, the tests are doing the right thing now and all pass

@jreback
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jreback commented Feb 23, 2013

ok to merge on this?

@stephenwlin
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yep

jreback added a commit that referenced this pull request Feb 23, 2013
BUG: nanops.var produces incorrect results due to int64 overflow (fixes #2888)
@jreback jreback merged commit 6dec888 into pandas-dev:master Feb 23, 2013
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Problem with pandas.Series.std()
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