Presentation outline 令◆ What is pca? 令◆ Geometrical approach to PCa 令◆ Analytical approach to PCA 令◆ Properties of pCa 令◆ How to determine the number of pc? 令◆ How to interpret the PC? ◆◆ Use of pc scores 2021/1/212021/1/21 2 cxt Presentation Outline ❖ w What is PCA? ❖ w Geometrical approach to PCA ❖ w Analytical approach to PCA ❖ w Properties of PCA ❖ w How to determine the number of PC? ❖ w How to interpret the PC? ❖ w Use of PC scores