Andy, can you comment on this? Seems like the l1_ratio is indeed not
correct - code is a bit confusing since we change rho -> l1_ratio -> rho
again... We should open an issue for that.
2013/7/2 Mark Levy <[email protected]>
> Hi there,
>
> In the docstring of SGDRegressor it says "l1_ratio=0 corresponds to L2
> penalty, l1_ratio=1 to L1".
> But looking at the implementation, self.l1_ratio is passed as the value of
> the rho argument to plain_sgd(),
> and there I see:
>
> if penalty_type == L2:
> rho = 1.0
> elif penalty_type == L1:
> rho = 0.0
>
> Is there some confusion here, aside from in my head?
>
> Thanks!
>
> Mark
>
>
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Peter Prettenhofer
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