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Detrend xarray DataArrays using polyfit

 2 years ago
source link: https://gist.github.com/rabernat/1ea82bb067c3273a6166d1b1f77d490f
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Detrend xarray DataArrays using polyfit · GitHub

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Detrend xarray DataArrays using polyfit

Hey! This was a useful snippet of code for easy detrending, but I just wanted to say that it doesn't work as it is — when you pass 'dim' to xarray.polyval, it only reads a string, but it needs a coordinate type. I made it work by changing line 6 to:

fit = xr.polyval(da[dim], p.polyfit_coefficients)

Thanks for sharing!


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