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Improve performance of groupby on MultiIndex'd data #299

wesm opened this Issue Oct 26, 2011 · 0 comments

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Python for Data member
wesm commented Oct 26, 2011

Calling reindex is very slow-- multiple issues to address

@wesm wesm added a commit that referenced this issue Nov 4, 2011
@wesm wesm ENH: use take instead of reindex for MultiIndex with single-key group…
…by, too, address GH #299
@wesm wesm closed this Nov 4, 2011
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