Questions tagged [tuning]

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Tuning hyperparameters using sklearn GridSearchCV or validation_curve?

I'm working on tuning a classifier (so far just a decision tree) and running my classifier through both sklearn's GridSearchCV and validation_curve. Is either of these methods preferred and when would ...
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When tuning an SVM what are reasonable bounds for C and gamma when performing a gridsearch?

I am trying to tune the hyperparamters of an RBF-kernel SVM by utilizing a gridsearch strategy. I found different sources stating different ranges (2^-15, ... 2^15 or 10^-3,...10^3) all they have in ...
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Model tuning in the presence of incorrect training labels

I have a situation where I have a large amount of labeled data (~40 million records) with a binary outcome variable that has about 50% positive and 50% negative cases. The issue is that I know that ...