From a3f8fabf6b9dda0c7b01b142cbc18c7164e57757 Mon Sep 17 00:00:00 2001 From: rasbt <mail@sebastianraschka.com> Date: Sat, 23 Jun 2018 22:43:26 -0400 Subject: [PATCH] add a note about regularization strength --- code/ch04/ch04.ipynb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/code/ch04/ch04.ipynb b/code/ch04/ch04.ipynb index a58ad51..df17f29 100644 --- a/code/ch04/ch04.ipynb +++ b/code/ch04/ch04.ipynb @@ -2028,6 +2028,9 @@ "from sklearn.linear_model import LogisticRegression\n", "\n", "lr = LogisticRegression(penalty='l1', C=1.0)\n", + "# Note that C=1.0 is the default. You can increase\n", + "# or decrease it to make the regulariztion effect\n", + "# stronger or weaker, respectively.\n", "lr.fit(X_train_std, y_train)\n", "print('Training accuracy:', lr.score(X_train_std, y_train))\n", "print('Test accuracy:', lr.score(X_test_std, y_test))"