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Re-weight Gini impurity in multitask based on number of classes #115

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maxhutch opened this issue Oct 9, 2017 · 0 comments
Open

Re-weight Gini impurity in multitask based on number of classes #115

maxhutch opened this issue Oct 9, 2017 · 0 comments

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@maxhutch
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maxhutch commented Oct 9, 2017

The maximum value of the Gini impurity is (n-1)/n, where n is the number of classes. This could cause multitask models to be biased towards modeling multi-class labels more accurately than binary classification ones.
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