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Published 20 hours ago • verified publisher icon jrzaurin
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An implementation of the focal loss to be used with LightGBM for binary and multi-class classification problems

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After 78 iterations, the loss returned nan

2 comment

Hi. Thanks for this implementation. I had a problem: ``` /var/folders/tx/5cvg8b910f31k6ttxp5ds9cxbmnldx/T/ipykernel_14194/2624284624.py:26: RuntimeWarning: overflow encountered in exp p = 1/(1+np.exp(-x)) /var/folders/tx/5cvg8b910f31k6ttxp5ds9cxbmnldx/T/ipykernel_14194/2624284624.py:27: RuntimeWarning: divide by zero encountered in log return -( a*t...

igorkf avatar igorkf

No Multithreading

1 comment

hi, when I use lightgbm with focal loss, it can not open multithreading. The CPU only use 100%.

michaelzhouy avatar michaelzhouy

Add a license

Can you specify a license for this repository?

atamazian avatar atamazian

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verified publisher icon jrzaurin

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An implementation of the focal loss to be used with LightGBM for binary and multi-class classification problems

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