K-Fold Cross validation: Random Forest vs GBM
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K-Fold Cross validation: Random Forest vs GBM from Wallace Campbell on Vimeo.
In this video, I demonstrate how to use k-fold cross validation to obtain a reliable estimate of a model's out of sample predictive accuracy as well as compare two different types of models (a Random Forest and a GBM). I use data Kaggle's Amazon competition as an example.
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