Standardising Variables: z-Scores before PCA
All lessons
- Standardising Variables: z-Scores before PCAFree
- Covariance & Correlation Matrices with MMULT and TRANSPOSE Pro
- Power Iteration: the First Eigenvector with Repeated MMULT Pro
- Eigenvalue & Explained Variance: How Much Does PC1 Capture? Pro
- The Second Component: Deflation and Another Power Iteration Pro
- Scree Plot & Cumulative Variance: How Many Components? (with a Chart) Pro
- Component Scores & Loadings: Placing and Naming the Cities (with a Chart) Pro
- Reconstruction Error: What You Lose with k Components Pro
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