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crepes is a Python package that implements conformal classifiers, regressors, and predictive systems, on top of any standard classifier and regressor, transforming the original predictions into well-calibrated p-values and cumulative distribution functions, or prediction sets and intervals with coverage guarantees.

The crepes package implements standard and Mondrian conformal classifiers as well as standard, normalized and Mondrian conformal regressors and predictive systems. While the package allows you to use your own functions to compute difficulty estimates, non-conformity scores and Mondrian categories, there is also a separate module, called crepes.extras, which provides some standard options for these.