issue_comments: 140794893

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https://github.com/pydata/xarray/issues/422#issuecomment-140794893 https://api.github.com/repos/pydata/xarray/issues/422 140794893 MDEyOklzc3VlQ29tbWVudDE0MDc5NDg5Mw== 10194086 2015-09-16T16:29:22Z 2015-09-16T16:29:32Z MEMBER

This is has to be adjusted if there are NaN in the array. weights.sum(dim) needs to be corrected not to count weights on indices where there is a NaN in self.

Is there a better way to get the correct weights than:

total_weights = weights.sum(dim) * self / self

It should probably not be used on a Dataset as every DataArray may have its own NaN structure. Or the equivalent Dataset method should loop through the DataArrays.

 
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