File:Reg ls dgr resid ajust.svg

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Original file ‎(SVG file, nominally 630 × 630 pixels, file size: 77 KB)

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Summary

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Description
Català: Diagrama de dispersió dels residus sobre els valors ajustats per una regressió lineal
Date
Source Own work
Author Pep Roca
 
This W3C-unspecified chart was created with R.

R source code

[edit]
 # Es crea la base de dades amb nombres aleatoris:
set.seed(1)
N         = 100
U         = rnorm(N)
EDAT      = 50 + rnorm(N)
PAD       = 20 + EDAT + U                      # Pressió arterial diastòlica
DADES_RLS = data.frame(PAD, EDAT)              # Es crea la taula de dades

# Regressío linal simple:
PAD_LM = lm(PAD ~ EDAT, data = DADES_RLS)      # S'estima el model de regressió lineal
svg("gra/reg_ls_dgr_resid_ajust.svg")          # Desar el diagrama en un fitxer tipus svg
#  Diagrama de dispersió dels valors ajustats sobre els residus
plot(PAD_LM, which = 1,
     main="Diagrama de dispersió dels residus sobre els valors ajustats")
dev.off()

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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Date/TimeThumbnailDimensionsUserComment
current18:37, 23 June 2014Thumbnail for version as of 18:37, 23 June 2014630 × 630 (77 KB)Pep Roca (talk | contribs)User created page with UploadWizard

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