Tuning Machine Learning Models Using the Caret R Package

Machine learning algorithms are parameterized so that they can be best adapted for a given problem. A difficulty is that configuring an algorithm for a given problem can be a project in and of itself.

Like selecting ‘the best’ algorithm for a problem you cannot know before hand which algorithm parameters will be best for a problem. The best thing to do is to investigate empirically with controlled experiments.

The caret R package was designed to make finding optimal parameters for an algorithm very easy. It provides a grid search method for searching parameters, combined with various methods for estimating the performance of a given model.

In this post you will discover 5 recipes that you can use to tune machine learning algorithms to find optimal parameters for your problems using the caret R package.

Read full paper written by Jason at http://bit.ly/1obUfci

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Tags: Learning, Machine, R


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