Lukas Riedel

`micromamba create` does not support multiple YAML environment files

1

### Troubleshooting docs - [X] My problem is not solved in the Troubleshooting docs ### Anaconda default channels - [X] I do NOT use the Anaconda default channels (pkgs/* etc.)...

Conda package for osx-arm64?

3

I cannot install pyfes because the package is only available for osx-64 architecture, but not osx-arm64. Unfortunately, this issue is obscured by the error message, which always reports that the...

Usage: Poor performance of NaN-aware xarray computations?

6

### Please provide a description of what you'd like to do. I am using sparse arrays with xarray and I found that a simple `DataArray.sum()` operation performs poorly with `skipna=True`,...

`sum(..., skipna=True)` should dispatch to `sparse.nansum` for sparse arrays

9

### What is your issue? xarray currently uses its own `nanops.nansum` when calling `DataArray.sum(..., skipna=None)`, which relies on `sum_where`. This implementation route is very inefficient for sparse arrays, especially (and...

Backtracking why creating a GeoBox fails

1

It is often not clear to me why the computation of a GeoBox fails. In this case, `arr.odc.geobox` simply returns `None`, without any further explanation of what data is missing....