scikit-learn/scikit-learn — pull request #1298 by GaelVaroquaux (2012-10-31 08:21:56+00:00)
Title: WIP: Early stopping in Lars degenerate cases

This is a rebased version of #1238

It also addresses the test failure reported by @amueller

What remains to be seen is if this strategy is better than the one suggested by @fabianp : dropping 'for good' regressors that are too co-linear with the active set.