Release notes for LensKit 2.0.3
This is the third bugfix release in the 2.0 series.
TopNItemRecommenderbug when no scores are available (#issue(373)).
Fix bug in
retainAllfor long sorted array sets (#issue(379)).
Fix erroneous fix for scorer null pointer problems (#issue(363)).
MeanCenteringVectorNormalizerfor more efficient mean centering.
Improve evaluator error reporting and logging output.
Small performance improvements.
Initial support for Top-N evaluation (grouplens/lenskit#388).
Thanks to @hmf and @ethanl for reporting bugs fixed in this release.