issue_comments: 185826486

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https://github.com/pydata/xarray/issues/767#issuecomment-185826486 https://api.github.com/repos/pydata/xarray/issues/767 185826486 MDEyOklzc3VlQ29tbWVudDE4NTgyNjQ4Ng== 4160723 2016-02-18T17:31:29Z 2016-02-18T17:31:29Z MEMBER

Thanks for the tip. So I finally obtain the desired result when selecting the band 'bar' by doing this:

In [21]: (da.sel(band_wavenumber='bar') ...: .unstack('band_wavenumber') ...: .dropna('band', how='all') ...: .dropna('wavenumber', how='any') ...: .sel(band='bar')) Out[21]: <xarray.DataArray (wavenumber: 3)> array([ 1.20000000e-04, 1.00000000e-04, 8.50000000e-05]) Coordinates: band <U3 'bar' * wavenumber (wavenumber) float64 4.1e+03 4.1e+03 4.1e+03

But it's still a lot of code to write for such a common operation.

I'd be happy to think more deeply about this and contribute to the development of this great package ! (within the limits of my skills)

 
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