Predictive Analytics & Risk Modeling: For Insurance and Actuarial Science

Chapter 1.9: Unsupervised Learning: PCA, K-Means and Hierarchical Clustering

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Principal component analysis, k-means clustering and hierarchical clustering in R.

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Free companion material for this chapter:

Datasets and R setup for this chapter

Install the packages used in this chapter (free, from CRAN):

install.packages(c("tidyverse", "ISLR"))

USArrests: Base R ‘datasets’ package (part of R, GPL-2 | GPL-3). Source: https://stat.ethz.ch/R-manual/R-devel/library/datasets/html/USArrests.html

# Ships with base R (datasets package), no install needed
data(USArrests)

NCI60: ISLR package: GPL-2 (CRAN). Source: https://cran.r-project.org/package=ISLR

install.packages("ISLR")
library(ISLR)
data(NCI60)