Descriptive statistics P RACTICIN G S TATIS TICS IN TERVIEW QUES - PowerPoint PPT Presentation

PRACTICING STATISTICS INTERVIEW QUESTIONS IN R

prcomp() PRACTICING STATISTICS INTERVIEW QUESTIONS IN R

pca <- prcomp(~ v1 + v2 + v3, data = df) predict(pca) PRACTICING STATISTICS INTERVIEW QUESTIONS IN R

pca <- prcomp(~ v1 + v2 + v3, data = df) predict(pca) summary(pca) PRACTICING STATISTICS INTERVIEW QUESTIONS IN R

pca <- prcomp(~ v1 + v2 + v3, data = df, rank = 2) predict(pca) summary(pca) PRACTICING STATISTICS INTERVIEW QUESTIONS IN R

pca <- prcomp(~ v1 + v2 + v3, data = df, tol = 0.25) predict(pca) summary(pca) ≤ tol ⋅ σ Omitted if σ P C 1 P Ci PRACTICING STATISTICS INTERVIEW QUESTIONS IN R