Questions tagged [objective-functions]

For questions related to the concept of loss (or cost) function in the context of machine learning.

See e.g. https://en.wikipedia.org/wiki/Loss_function.

259 questions
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What loss function should I use if I only care about the accuracy of one class?

CrossEntropyLoss optimizes the overall classification accuracy as $$ {n_{\text{correct}} \over N} $$ What loss function should I use if I only care about increasing the true positive rate of one class? $$ {n_{\text{true A in predicted A}} \over…
em1971
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What are the loss functions used in teacher-student learning models?

I am not sure what are the common loss functions people usually use when training a student in a teacher-student learning model. Any insight on this is appreciated.
Steve
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