Hi, I'm not expert in Stochastic Gradient Descent but I'm wondering why predict_proba() is not available in the multiclass case. Precisely I get this (sklearn v0.11): ---- NotImplementedError: predict_(log_)proba only supported for binary classification ---- I see that the multiclass case is supported through a "one versus all" scheme. Is this one the motivation for the lack of multiclass probabilities? Are there solutions available?
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