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 to compare clustering methods:
- First, install and load the fpc package:
> install.packages("fpc")
> library(fpc)
- You then need to use hierarchical clustering with the single method to cluster customer data and generate the object hc_single:
> single_c = hclust(dist(customer), method="single")
> hc_single = cutree(single_c, k = 4)
- Use hierarchical clustering with the complete method to cluster customer data and generate the object hc_complete:
> complete_c = hclust(dist(customer), method="complete")
> hc_complete = cutree(complete_c, k = 4)
- You can then use k-means clustering to cluster customer data and generate the object km:
> set.seed(22)
> km = kmeans(customer, 4)
- Next, retrieve ...
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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.