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Introduktion til Statistik, Forelæsning 5 - Danmarks Tekniske ...

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R (R note 6)<br />

R (R note 6)<br />

R<br />

t<br />

chisq<br />

f<br />

Betegnelse<br />

t-fordelingen<br />

χ 2 -fordelingen<br />

F-fordelingen<br />

d Tæthedsfunktion f(x) (probability distribution).<br />

p Fordelingsfunktion F (x) (cumulative distribution<br />

function).<br />

q Frak<strong>til</strong> (quan<strong>til</strong>e) i fordeling.<br />

Eksempel:<br />

P (t ≤ 2)<br />

pt(2)<br />

Per Bruun Brockhoff (pbb@imm.dtu.dk) <strong>Introduktion</strong> <strong>til</strong> <strong>Statistik</strong>, Forelæsning 5 Foråret 2012 39 / 40

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