Loss functions for classification: Difference between revisions

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AVM2019 (talk | contribs)
Clarification needed: what is η
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\frac{\partial \phi(f)}{\partial f}\eta + \frac{\partial \phi(-f)}{\partial f}(1-\eta)=0 \;\;\;\;\;(1)
</math>{{Citation needed}}{{Clarify|reason=What is η?}}
</math>
 
which is also equivalent to setting the derivative of the conditional risk equal to zero.