ENH: Add unique and nunique to GroupBy whitelist #6147
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Series.unique and Series.nunique are useful methods for querying the unique elements (or number of unique elements) in each group when used in conjunction with DataFrame.GroupBy. This commit addresses pandas-dev#6146.
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pls add in |
Added tests for fix to pandas-dev#6146.
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Ok, I added the tests as well. Let me know if everything looks ok. |
jreback
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Jan 28, 2014
…ique ENH: Add unique and nunique to GroupBy whitelist
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thanks for this! |
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Series.unique and Series.nunique are useful methods for querying the
unique elements (or number of unique elements) in each group when used
in conjunction with DataFrame.GroupBy. This commit addresses
closes #6146.