issues: 522498720

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
522498720 MDU6SXNzdWU1MjI0OTg3MjA= 3525 DatasetGroupBy does not implement quantile 14808389 closed 0     6 2019-11-13T22:02:55Z 2019-11-15T19:58:02Z 2019-11-15T19:58:02Z MEMBER      

The docs claim quantile works on grouped datasets, but that does not seem to be the case: ```python

import xarray as xr ds = xr.Dataset(data_vars={"a": ("x", list("abcd"))}, coords={"x": range(4)}) ds.a.groupby(ds.x % 2 == 0).quantile <bound method DataArrayGroupBy.quantile of DataArrayGroupBy, grouped over 'x' 2 groups with labels False, True.> ds.groupby(ds.x % 2 == 0).quantile AttributeError: 'DatasetGroupBy' object has no attribute 'quantile' ``` this was found while trying to silence the nit-picky sphinx warnings in #3516

 
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