岭回归 Ridge

from sklearn.linear_model import Ridge
ridge=Ridge().fit(X_train,Y_train)

增加alpha,使得w更加倾向于0,从而提高泛化

ridge=Ridge(alpha=10).fit(X_train,Y_train)

原文地址:https://www.cnblogs.com/vivianzy1985/p/9223612.html