Glossary: Linear Algebra for ML
Standardize
Also written: standardizing, standardized
Subtract each column's mean and divide by its standard deviation, so every column has mean 0 and the same spread. Without it PCA just follows the biggest numbers.
Glossary: Linear Algebra for ML
Also written: standardizing, standardized
Subtract each column's mean and divide by its standard deviation, so every column has mean 0 and the same spread. Without it PCA just follows the biggest numbers.