CS代考 MAST 90138: MULTIVARIATE STATISTICAL TECHNIQUES
MAST 90138: MULTIVARIATE STATISTICAL TECHNIQUES See Ha ̈rdle and Simar, chapter 12. 6 FACTOR ANALYSIS 6.1 ORTHOGONAL FACTOR MODEL Let X ∼ (μ, Σ) be a p-dimensional random vector. In PCA, we have seen that if Σ has only q < p non zero eigenvalues then we can express X as X − μ = […]
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