That is either a sloppiness in writing or reliance on the relationship
between eigen decomposition and SVD.
SSM - square symmetric matrix
AM - arbitrary matrix
In ED, SSM = Q E Q'
In SVD, AM = P D Q'
SSM = AM' AM
= Q D P' P D Q' = Q D D Q'
= Q E Q', if E = D D
I haven't checked
Hi, thank you for reading this message. I have the following problems in
getting the "correct" CRIMCOORD transformation of categorical variables
in QUEST decision tree algorithm. Your help will be greatly appreciated.
Q1: In Loh & Shih's paper (Split Selection Models for Classification
Trees, Sta
