File:Reg ls dgr resid t ajust2.svg

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Original file ‎(SVG file, nominally 630 × 630 pixels, file size: 70 KB)

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Description
Català: Residus tipificats enfront dels valors ajustats d'una recta de regressió lineal amb dades que violen l'assumpció d'homocedasticitat
Date
Source Own work
Author Pep Roca
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This diagram was created with R.
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R code

set.seed(123)                                 # El fixa la llavor per generar nombres aleatoris
X = runif(100, 0, 6)                          # Valors variable independent
Y = X + rnorm(100, mean =0, sd = 0.0001 * X)  # Valors variable dependent
# Diagrama dels residus tipificats
svg("gra/reg_ls_dgr_resid_t_ajust2.svg")
plot(lm(Y ~ X), which = 3)
dev.off()

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Date/TimeThumbnailDimensionsUserComment
current20:10, 29 June 2014Thumbnail for version as of 20:10, 29 June 2014630 × 630 (70 KB)Pep Roca (talk | contribs)User created page with UploadWizard

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