Review slides 220 – 296 for the following topics:

What is unsupervised machine learning?
Commercial applications of data mining
k-means clustering on multi-dimensional data
Evaluating the quality of clustering
Determining the right number of clusters to use

Complete the following exercises:

Exercise set 1 – Visualizing clusters

Exercise set 2 – Evaluating clusters

Complete Concept review 3: introduction to clustering in the Assessment tab to complete this lesson