Solved by KFrank in post #4 
              
              
                Hello bfeeny! 

Yes, I think that is what I am saying. 
But, to be concrete, let’s take an extreme example: 
Let’s say that your entire training set consists of 1,000 samples, 
990 class-“0” samples, and 10 class-“1” samples.  If you want 
to reweight the classes in your loss function to fully accou…