Thank you Peter, your answer if very helpful! Best, --Issam
On 03/08/2013 01:40 PM, Peter Prettenhofer wrote: > Issam, > > currently, GaussianNB does not support sample weights thus it cannot > be used w/ Adaboost. > In Weka, if a classifier does not support sample weights they fall > back to data set re-sampling. We could implement this strategy as well > but it would not be very efficient due to the data structures that we > use internally (i.e. numpy arrays). > > best, > Peter > > 2013/3/7 Issam <issamo...@gmail.com>: >> Evening Dear Developers! >> >> I'm peculiarly getting an error while using AdaBoostClassifier with >> GaussianNB() as a a base estimator. >> >> These are my commands >> >> In [65]: gnb = GaussianNB() >> In [66]: bdt = AdaBoostClassifier(gnb,n_estimators=100) >> In [67]: bdt.fit(X,y) >> >> I get the following error after executing "In[67]" : >> >> TypeError: fit() got an unexpected keyword argument 'sample_weight' >> >> Any reason why I might be getting this? >> >> PS: I frequently use adaboosting with Navie Bayes as a base classifier in >> WEKA, hence the concern :) >> >> Thank you very much! >> >> Best regards, >> --Issam Laradji >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester >> Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the >> endpoint security space. For insight on selecting the right partner to >> tackle endpoint security challenges, access the full report. >> http://p.sf.net/sfu/symantec-dev2dev >> _______________________________________________ >> Scikit-learn-general mailing list >> Scikit-learn-general@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/scikit-learn-general >> > > ------------------------------------------------------------------------------ Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the endpoint security space. For insight on selecting the right partner to tackle endpoint security challenges, access the full report. http://p.sf.net/sfu/symantec-dev2dev _______________________________________________ Scikit-learn-general mailing list Scikit-learn-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
