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  • dtype changes after .load() · 3 ✖

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id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
234126647 https://github.com/pydata/xarray/issues/913#issuecomment-234126647 https://api.github.com/repos/pydata/xarray/issues/913 MDEyOklzc3VlQ29tbWVudDIzNDEyNjY0Nw== shoyer 1217238 2016-07-21T00:49:01Z 2016-07-21T00:49:01Z MEMBER

I just filed a report upstream with dask in https://github.com/dask/dask/issues/1394. This is definitely a dask bug, because I can reproduce it without xarray. Thanks for the report!

 
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   dtype changes after .load() 166642852
234097971 https://github.com/pydata/xarray/issues/913#issuecomment-234097971 https://api.github.com/repos/pydata/xarray/issues/913 MDEyOklzc3VlQ29tbWVudDIzNDA5Nzk3MQ== shoyer 1217238 2016-07-20T22:04:00Z 2016-07-20T22:04:00Z MEMBER

I would try creating a dask array of the same dtype and shape as this array. Then, see what happens to the dtype when you call the .mean(axis=0).compute().

 
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   dtype changes after .load() 166642852
234043551 https://github.com/pydata/xarray/issues/913#issuecomment-234043551 https://api.github.com/repos/pydata/xarray/issues/913 MDEyOklzc3VlQ29tbWVudDIzNDA0MzU1MQ== shoyer 1217238 2016-07-20T18:45:47Z 2016-07-20T18:45:47Z MEMBER

This is a bug, though possibly a dask.array bug rather than an xarray bug.

 
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   dtype changes after .load() 166642852

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