Review of k-means clustering

Unsupervised Learning in R

Hank Roark

Senior Data Scientist at Boeing

Chapter review

  • Unsupervised vs. supervised learning
  • How to create k-means cluster model in R
  • How k-means algorithm works
  • Model selection
  • Application to "real" (and hopefully fun) dataset
Unsupervised Learning in R

Coming up: chapter 2

hierarchical clustering

Unsupervised Learning in R

Coming up: chapter 3

principal component analysis

Unsupervised Learning in R

Coming up: chapter 4

# Repeat for components 1 and 3
plot(wisc.pr$x[, c(1, 3)], col = (diagnosis + 1), 
       xlab = "PC1", ylab = "PC3")

breast cancer tumor detection

Unsupervised Learning in R

See you in the next chapter!

Unsupervised Learning in R

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