Principal Component Analysis (PCA) 101, using R

Improving predictability and classification one dimension at a time! “Visualize” 30 dimensions using a 2D-plot!

Basic 2D PCA-plot showing clustering of “Benign” and “Malignant” tumors across 30 features.

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Setup

For this article we’ll be using the Breast Cancer Wisconsin data set from the UCI Machine learning repo as our data. Go ahead and…