Re: [Scikit-learn-general] Sensitivity analysis

2014-01-24 Thread Arman Eshaghi
Thanks for your response Fred. On Jan 24, 2014, at 12:09 AM, Fred Mailhot wrote: > Is your aim to use this information for feature selection, or do you actually > want to see which features are being maximally weighted? There's a SO > question that addresses the latter use: > > http://stac

Re: [Scikit-learn-general] Sensitivity analysis

2014-01-23 Thread Fred Mailhot
Is your aim to use this information for feature selection, or do you actually want to see which features are being maximally weighted? There's a SO question that addresses the latter use: http://stackoverflow.com/questions/6697/how-to-get-most-informative-features-for-scikit-learn-classifiers

Re: [Scikit-learn-general] Sensitivity analysis

2014-01-23 Thread Kyle Kastner
Some classifiers (several of the tree based ones - RandomForest, GradientBoostingRegressorTree) have a clf.feature_importances_ which can be plotted to show the relative strength of each feature. sklearn.ensemble also has a module called partial_dependence, which has a function plot_partial_depende

[Scikit-learn-general] Sensitivity analysis

2014-01-23 Thread Arman Eshaghi
Dear all, I was wondering whether there is a sensitivity analyzer inside scikit-learn? I saw recursive feature elimination, but I would like to see which features are the most important for classification in my data. All the best, Arman --