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pandas (and dask) cannot yet handle NAs during groupby #171

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jangorecki opened this issue Dec 14, 2020 · 1 comment
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pandas (and dask) cannot yet handle NAs during groupby #171

jangorecki opened this issue Dec 14, 2020 · 1 comment
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dask exceptions pandas

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@jangorecki
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jangorecki commented Dec 14, 2020 •
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dropna argument has been added to pandas groupby in 0.24.0 but till now it does not yet support categorical fields. It silently produces incorrect answer.
Data case having NAs (i.e. G1_1e7_1e2_5_0) will have to be escape for now for those two solutions.
We will enable it once pandas-dev/pandas#36327 will be resolved.
@jangorecki jangorecki mentioned this issue Dec 14, 2020
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In case of dask, it wasn't yet implemented at all, not just for categorical type. dask/dask#6986

@ritchie46 ritchie46 mentioned this issue Dec 5, 2021
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