'loss ratio is good but model accuracy is always 0

I am working on accident dataset with fastai and the loss ratio keeps on decreasing with each epoch but accuracy keeps at 0.000000.

below is my google colab notebook. https://colab.research.google.com/drive/1NpNDzgAqS7TKlGcLKH-BKUS4gFL9zNCW?usp=sharing



Solution 1:[1]

Fixed by selection correct variables in categorical and continuous types.

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Solution 1 The Acturial Kid