On Tue, Nov 27, 2012 at 9:11 AM, Ak <[email protected]> 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 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
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