Comparing accuracies of Grid Search CV & Randomized Search CV with K-Fold Cross Validation?

Question

Comparing accuracies of Grid Search CV & Randomized Search CV with K-Fold Cross Validation?

Apoorva

2021年10月7日 11:55

Are Grid Search CV Randomized Search CV always/necessarily supposed to give more accurate results after hyperparameter tuning as compared to K-Fold Cross Validation?

Topic hyperparameter-tuning gridsearchcv cross-validation accuracy

Category Data Science

spectre · Accepted Answer · 2021年10月7日 11:55

From your comment above, " though Grid & Radom Searches are expected to do better." They are EXPECTED to perform better but it is not a given that in each and every case they will outperform K Fold CV. Sometimes K FoldCV can outperform Grid or Random SearchCV.

Comparing accuracies of Grid Search CV & Randomized Search CV with K-Fold Cross Validation?

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