issue_comments: 330277364

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https://github.com/pydata/xarray/issues/1576#issuecomment-330277364 https://api.github.com/repos/pydata/xarray/issues/1576 330277364 MDEyOklzc3VlQ29tbWVudDMzMDI3NzM2NA== 2443309 2017-09-18T16:26:36Z 2017-09-18T16:26:36Z MEMBER

Why can't xarray used masked arrays, that would retain the original dtype?

We have an open issue for this topic (#1194). A lot of it comes down to performance, dask is part of that but the other issue is that masked arrays in numpy are quite slow.

 
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