October 2017
Beginner to intermediate
572 pages
26h 1m
English
book
Machine Learning with R Cookbook - Second Edition
by AshishSingh Bhatia, Yu-Wei, Chiu (David Chiu)
Content preview from Machine Learning with R Cookbook - Second Edition
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How it works...
Similar to bagging.cv, we can perform cross-validation with the boosting method using boosting.cv. If v is set to 10 and mfinal is set to 5, the boosting method will perform 10-fold cross-validations with five iterations. Also, one can set the control of the rpart fit within the parameter. We can set the complexity parameter to 0.01 in this example. Once the training is complete, the confusion matrix and average errors of the boosted results will be obtained.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.