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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 571<br />

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Preizkus χ 2 v R-ju<br />

> a rownames(a) colnames(a) a<br />

do 25 25-50 nad 50<br />

za 80 5 15<br />

proti 40 20 20<br />

neodlocen 20 30 20<br />

> chisq.test(a)<br />

Pearson’s Chi-squared test<br />

data: a<br />

X-squared = 51.4378, df = 4, p-value = 1.808e-10<br />

Poleg ks.test in chisq.test obstaja v R-ju ˇse več drugih preizkusov:<br />

prop.test, binom.test, t.test, wilcox.test, var.test,<br />

shapiro.test, cor.test, fisher.test, kruskal.test.<br />

Opise posameznega preizkusa dobimo z zahtevo help(preizkus) .<br />

Univerza v Ljubljani ▲<br />

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☛ ✖<br />

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