issue_comments: 248348585

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https://github.com/pydata/xarray/pull/964#issuecomment-248348585 https://api.github.com/repos/pydata/xarray/issues/964 248348585 MDEyOklzc3VlQ29tbWVudDI0ODM0ODU4NQ== 1217238 2016-09-20T16:05:13Z 2016-09-20T16:05:13Z MEMBER

@pwolfram If you don't need dask support, then I would suggest simply trying this PR. I think a slight variation of my mean example at the top would work.

If you do need dask support, either just use da.nancumsum directly with this PR (along with dask_array='allowed') or we can use core.ops._dask_or_eager_func (e.g., as in your PR) to make a version of nancumsum that works on both dask and numpy arrays, and then use that version along with this PR.

 
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