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 the caret package, the rminer package can also generate the variable importance of a classification model. In this recipe, we first train the svm model on the training dataset, trainset, with the fit function. Then, we use the Importance function to rank the variable importance with a sensitivity measure. Finally, we use mgraph to plot the rank of the variable importance. Similar to the result obtained from using the caret package, number_customer_service_calls is the most important variable in the measure of sensitivity.
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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.