hi, please open an issue on github
A On Wed, Apr 8, 2015 at 10:27 AM, Luca Puggini <lucapug...@gmail.com> wrote: > The lassoLarsCV returns an error if the input matrix is constant > http://jpst.it/y0rf > > While this is an extreme situation I think that the algorithm should not > return an error. It should probably throw a warning and then estimate some > sort of model. > > In the case of constant input variables the linear regression estimator > returns the constant estimator. I think lasso should do something similar. > > At the moment I am planning to do the switch manually. Something like: > > if x.std() == 0: > est = constant_model(y) > else: > est = LassoLarsCV().fit(x,y) > > is there any class that implement a constant model? Something like f(x) = > mean(y)? > > Thanks a lot! > > ------------------------------------------------------------------------------ > BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT > Develop your own process in accordance with the BPMN 2 standard > Learn Process modeling best practices with Bonita BPM through live exercises > http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- event?utm_ > source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF > _______________________________________________ > Scikit-learn-general mailing list > Scikit-learn-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > ------------------------------------------------------------------------------ BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT Develop your own process in accordance with the BPMN 2 standard Learn Process modeling best practices with Bonita BPM through live exercises http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- event?utm_ source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
