Implementing PCA from Scratch

Compare the implementation with Scikit-Learn’s PCA

Eugenia Anello
Towards Data Science
7 min readDec 10, 2021

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Photo by Jeremy Thomas on Unsplash

This article is in continuation with the story Variable Reduction with Principal Component Analysis. In the previous post, I talked about one of the most known and widely used methods, called Principal Component Analysis. It employs an efficient linear transformation, which reduces the dimensionality of a high dimensional…

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