From b87a47697592d2f4c9c11de84150077daaa31ee0 Mon Sep 17 00:00:00 2001 From: Benjamin van der Burgh Date: Mon, 25 Apr 2022 07:50:24 +0200 Subject: [PATCH] Correct ch.4 MNIST: set threshold to 0.0 when not using sigmoid (#461) * Correct ch.4 MNIST: set threshold to 0.0 when not using sigmoid * Also change 0.5 to 0.0 in the text Co-authored-by: Ben van der Burgh --- 04_mnist_basics.ipynb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/04_mnist_basics.ipynb b/04_mnist_basics.ipynb index 908cf19..00562c3 100644 --- a/04_mnist_basics.ipynb +++ b/04_mnist_basics.ipynb @@ -3833,7 +3833,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "Let's check our accuracy. To decide if an output represents a 3 or a 7, we can just check whether it's greater than 0.5, so our accuracy for each item can be calculated (using broadcasting, so no loops!) with:" + "Let's check our accuracy. To decide if an output represents a 3 or a 7, we can just check whether it's greater than 0.0, so our accuracy for each item can be calculated (using broadcasting, so no loops!) with:" ] }, { @@ -3859,7 +3859,7 @@ } ], "source": [ - "corrects = (preds>0.5).float() == train_y\n", + "corrects = (preds>0.0).float() == train_y\n", "corrects" ] },