R code to accompany Real-World Machine Learning (Chapters 2-4 Updates)

Abstract I updated the R code to accompany Chapter 2-4 of the book “Real-World Machine Learning” by Henrik Brink, Joseph W. Richards, and Mark Fetherolf to be more consistent with the listings and figures as presented in the book. rwml-R Chapters 2-4 updated The most notable changes to rwml-R are for Chapter 4, wheremultiple ROC curves areplotted for a 10-class classifier and a tile plot is generated fora tuning parameter grid search.Also, for parallel computations, the doMC package was replaced withdoParallel. Plotting a series of ROC curves To be consistent with the approach followed in the book, I’ve added listingsof R code to compute theROC curves and AUC values “from scratch” instead of using the ROCRpackage as was done previously: Tuning model parameters in Chapter 4 The caret package…


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