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Subject: | XploRe: Learning Guide |
See XploRe: |
Quantlet: | graph47 | |
Description: | First two principal components based on the correlation matrix. | |
Download: | graph47.xpl |
library("plot") ; loads library plot data = read ("bostonh") ; reads Boston Housing data col = grc.col.green-grc.col.blue col = grc.col.blue+col*(data[,14]<mean(data[,14])) ; colors observations blue and green plot2 (data, grc.prep.pcacorr, col) ; plots two first principal axes
Subject: | XploRe: Learning Guide |
See XploRe: |