Re: [Scikit-learn-general] FastICA question

2012-06-28 Thread Alexandre Gramfort
hi, can you post a code snippet in a gist to reproduce the problem? Alex On Wed, Jun 27, 2012 at 11:44 PM, Igor Nikolskiy wrote: > Hi Andy, > > Thanks for the fast response! >> >> Could you please say which version of sklearn you are using? > >  I am using sklearn version 0.11 > >> About the na

Re: [Scikit-learn-general] FastICA question

2012-06-27 Thread Igor Nikolskiy
Hi Andy, Thanks for the fast response! > Could you please say which version of sklearn you are using? > I am using sklearn version 0.11 About the nans, I have no idea. > Yep the nans is where the problem is. > Have you tried to not do your own whitening, i.e. whiten=True? > Yes and in that ca

Re: [Scikit-learn-general] FastICA question

2012-06-27 Thread Andreas Mueller
Hi Igor. Could you please say which version of sklearn you are using? There was a minor change recently to improve consistency. Now, the independent components of size [n_components, n_features are in ICA.components_. ICA.sources_ should contain the [n_samples, n_components] estimated source sig

[Scikit-learn-general] FastICA question

2012-06-27 Thread Igor Nikolskiy
Hello all, I've got a FastICA question. I am interested in doing my own whitening of the data before feeding it to fastICA, but I'm running into trouble. Here's the code: from pylab import * from pandas import * from sklearn.decomposition import FastICA, PCA ms2= read_csv('L-Glu.csv', index_col=