Tensorflow weighted loose function

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Hi I have a numeric dataset (not images) for apply deep learning classification. Dataset has 3 class but these are imbalanced sizes. For example class 1:200 , class 2:3200 , class 3:190 labels. I'm trying to train it in Keras or Tensorflow for classification. At the result; All prediction are collected in Class 2: So i searched the problem in internet and i found that i must define an weighted loos function according to class sizes. So i need a weighted loos function for my classification model can work properly. Nearly 5-10 lines codes. DO NOT COPY PAST FROM INTERNET. Who can write it?

Keras

Tensorflow

ID projekta: 17966129

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@DoctorMatthew

Step 1: Send me your current code for review and I will assess if a custom loss function is suitable. Step 2: I will write a custom loss function and provide you back a distribution of class predictions. If you are satisfied it has solved the problem, I will send you the code.

$30 USD v 3 dneh