Learning rate finder shows #na# under val_loss

I am in Lesson 2.

I have trained my resnet34 on downloaded google images and executed lr_find to fetch a good learning rate!

It shows #na# in val_loss of my learn.lr_find(). What does it mean?

Image

My code notebook is available on GitHub.

Thanks.

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It doesn’t mean anything. For the LR finder, the validation loss is not calculated, hence #na#.

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