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![What is the silhouette statistic in cluster analysis?](https://blogs.sas.com/content/iml/files/2023/05/Silh10-480x336.png)
Assigning observations into clusters can be challenging. One challenge is deciding how many clusters are in the data. Another is identifying which observations are potentially misclassified because they are on the boundary between two different clusters. Ralph Abbey's 2019 paper ("How to Evaluate Different Clustering Results") is a good way