PCA : standardization and how to extract components

Описание к видео PCA : standardization and how to extract components

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In this third video about PCA, we will learn when and why we need to standardize our variables before running a PCA. We will standardize variables based on a simple example. At min 11:05, we will also see how we can use the Kaiser criterion and the scree plot to extract components (reduce the dimensions).

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