xskillscore is an open source project and Python package that provides verification metrics of deterministic (and probabilistic from properscoring) forecasts with xarray.

$ conda install -c conda-forge xskillscore

or

$ pip install xskillscore

or

$ pip install git+https://github.com/xarray-contrib/xskillscore

Documentation can be found on readthedocs.

• If you are interested in using xskillscore for data science where you data is mostly in pandas.DataFrames's check out the xskillscore-tutorial
• If you are interested in using xskillscore for climate prediction check out climpred.

xskillscore was orginally developed to parallelize forecast metrics of the multi-model-multi-ensemble forecasts associated with the SubX project.

We are indebted to the xarray community for their advice in getting this package started.