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What is Cluster analysis?

Clustering is the  process of breaking down a large population that has a high degree of variation and noise into smaller groups with lower variation. It is a popular data mining activity. In a poll conducted by Kdnuggets, clustering was…

Cluster Analysis: Scaling

In geometry, all dimensions are equally important. A distance of 2 units on X axis counts the same as a distance of 2 units on Y axis. It does not matter what the unit of measurement is, as long as its the same for both X and Y. But what…