Re: [Scikit-learn-general] OneVsRestClassifier Online learning

2012-11-28 Thread Ak
> Remember that one-vs-rest trains each base classifier *independently* (a new sample may play the role of a positive or negative example, depending on the class). Therefore, you do need to update all base classifiers.HTH,Mathieu > > > Ah, so every sample is trained on every classifier? It

Re: [Scikit-learn-general] OneVsRestClassifier Online learning

2012-11-26 Thread Mathieu Blondel
On Tue, Nov 27, 2012 at 9:11 AM, Ak wrote: > For OneVsRestClassifier, if separate classifiers are trained for every > category, would online learning mean training only a particular > classifier for > the category that the new sample belongs to? > Remember that one-vs-rest trains each base cl

[Scikit-learn-general] OneVsRestClassifier Online learning

2012-11-26 Thread Ak
For OneVsRestClassifier, if separate classifiers are trained for every category, would online learning mean training only a particular classifier for the category that the new sample belongs to? For e.g. if I train OneVsRestClassifier(SGDClassifier()), right now for predicting the probability