issue_comments: 417802624

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https://github.com/pydata/xarray/issues/1115#issuecomment-417802624 https://api.github.com/repos/pydata/xarray/issues/1115 417802624 MDEyOklzc3VlQ29tbWVudDQxNzgwMjYyNA== 5635139 2018-08-31T22:14:19Z 2018-08-31T22:14:19Z MEMBER

I'm up for adding .corr to xarray

What do want this to look like? It's a bit different from most xarray functions, which either return the same shape or reduce one dimension. - The basic case here would take a n x m array and return an m x m correlation matrix. We could easily wrap https://docs.scipy.org/doc/numpy/reference/generated/numpy.corrcoef.html - Another case would be take two similarly sized arrays (with the option of broadcasting) and return an array with one dimension reduced. For example 200 x 10 and 200, return a 10 array. - I need to think about how those extrapolate to multiple dimensions

Should I start with the first case and then we can expand as needed?

 
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