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 to do it...
Perform the following steps:
- We need a caret and C50 library:
> install.packages("caret")
> install.packages("C50")
> library(caret)
> library(C50)
- From the previous chapters, we have a churn dataset ready:
> train_control <- trainControl(method="LOOCV") The following command will take some time and may give out some warnings > model<- train(churn~., trControl=train_control, method="nb") > model Output Naive Bayes 3333 samples 19 predictor 2 classes: 'yes', 'no' No pre-processing Resampling: Leave-One-Out Cross-Validation Summary of sample sizes: 3332, 3332, 3332, 3332, 3332, 3332, ... Resampling results across tuning parameters: usekernel Accuracy Kappa FALSE 0.6066606661 0.1091075239 TRUE 0.8550855086 0.0000000000 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.