sklearn LogisticRegression python中的alpha

Question

sklearn LogisticRegression中带有l1罚分的默认alpha是多少？

lmMod = LogisticRegression(penalty='l1')

Answer 1

According to the documentation ,

The parameter used for the the regularization is the parameter C in the input of the call. I represents the inverse of regularization strength. The default value is equal to 1.

C : float, default: 1.0 Inverse of regularization strength; must be a positive float. Like in support vector machines, smaller values specify stronger regularization.