[Scikit-learn-general] sklearn on CentOS

2014-09-24 Thread Pagliari, Roberto
I'm getting this while installing sklearn on a CentOS 6.5 machine /usr/lib64/python2.6/site-packages/scipy/__init__.py:120: UserWarning: Numpy 1.5.1 or above is recommended for this version of scipy (detected version 1.4.1) UserWarning) RuntimeError: module compiled against API version 9 but th

[Scikit-learn-general] Gradient Boosting Classifier multi-class ROC curve plot

2014-09-24 Thread Eraldo Pomponi
Dear ML experts, I'm solving a multi-class classification problem. Following the great advice of Peter Prettenhofer and Gilles Louppe ( http://www.slideshare.net/DataRobot/gradient-boosted-regression-trees-in-scikitlearn) about the use of the GradientBoostingClassifier (after tuning the iperparam.

Re: [Scikit-learn-general] Group Lasso

2014-09-24 Thread Pedro Cardoso
I will take a look at spams. Thank you for the links. 2014-09-23 19:13 GMT+02:00 Michael Eickenberg : > for that you could take a look at spams > http://spams-devel.gforge.inria.fr (it has python bindings) or use any > general analysis sparsity optimizer and choose the analysis operator to fit