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Group Lasso Math. Formulation Possible Typo #397
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I agree that the formulation is strange. The coefficients should be indexed over |
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Hello,
In the api, the regularization formulation is given as below:
The last summation is over g but not over j. Can it be the case that under-script "j" is a typo? I think the group lasso formulation should be the l2 norm of all coefficients in the group i.e. \|\beta_{g}\|_2?
Thanks!
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