[Scikit-learn-general] Multilabel sequences of sequences considered harmful

2013-05-29 Thread Joel Nothman
TL;DR: do we need to support two forms of multilabel targets? sequences of sequences may have unexpected behaviour. With Arnaud Joly's recent implementation of multilabel support in a number of metrics, there has been some extensive discussion of multilabel targets and their format at

[Scikit-learn-general] normalize makes no difference to Lasso

2013-05-29 Thread o m
I find that setting normalize has no effect on the coefficients when doing a plot using Lasso. Is that correct? Here's what I was trying: clf= linear_model.Lasso(fit_intercept=False, normalize=z) z takes on True or False. I then take a fit by varying alpha, and plot the value of