v0.23.1

This release adds support for Python 3.13. The minimum required version for pandas has been bumped to pandas 1.4.0.

Bug fixes

• Add SurvivalAnalysisMixin base class to sksurv.ensemble.ExtraSurvivalTrees to enable the sksurv.ensemble.ExtraSurvivalTrees.score() method that has been unintentionally removed in 0.23.0 (#488).

Enhancements

• Improve performance of sksurv.metrics.concordance_index_censored() and sksurv.metrics.concordance_index_ipcw() (#465).

Backwards incompatible changes

• Support for pandas versions before 1.4.0 has been dropped.

Full Changelog: v0.23.0...v0.23.1