Subject: XploRe: Learning Guide
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Quantlet: quant02
Description: Example quantlet, which generates a regression line, adds random noise, and plots.
Download: quant02.xpl

Code:
    n = 10                           ; number of observations
    randomize(17654321)              ; sets random seed
    beta = # (1, 2)                  ; defines intercept and slope
    x = matrix(n)~sort(uniform(n))   ; creates design matrix     
    m = x*beta                       ; defines regression line
    eps = 0.05*normal(n)             ; creates obs error
    y = m + eps                      ; noisy line
    d = createdisplay(1,1)      
    dat = x[,2]~y
    show(d, 1, 1, dat)

Subject: XploRe: Learning Guide
See XploRe:

© MD*Tech - Method and Data Technologies, generated on 6.6.2000 .