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 of a particular category, i.e. the one that we get from predict I only see that estimator. (clf.estimators_[prediction].predict_proba(document_vector)[0][1]). Is the case with online learning the same, only look at that particular estimator and fit a sample X using clf.estmators_[category].fit?
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