issue_comments: 206417958

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https://github.com/pydata/xarray/issues/819#issuecomment-206417958 https://api.github.com/repos/pydata/xarray/issues/819 206417958 MDEyOklzc3VlQ29tbWVudDIwNjQxNzk1OA== 2443309 2016-04-06T15:04:55Z 2016-04-06T15:04:55Z MEMBER

@forman -

The main reason this isn't supported yet is that we haven't implemented it yet. I recently added the Rolling object to xarray and our initial application aimed to wrap the bottleneck moving window functions. Because the bottleneck moving window functions only supports one windowing axis, we have also adopted that constraint for now.

At this point, I don't know of any plans to extend this functionality although we could discuss further. The complexity of N-D rolling aggregations does increase a fair bit and we would ideally like to let a lower level package (e.g. bottleneck) handle most of that. Since you seem to have a tangible application for the N-D rolling feature, maybe this is something you want to contribute to?

 
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