Hello,
the order of argument is not the correct one:
p(2.45,6,28)
[1] 0.9503618
P.A.
On Thu, 19 Feb 2004, Joerg Schaber wrote:
> Hi,
>
> why is it that in tables for the F distribution it is for example
>
> F0.95[6,28]=2.45 or F0.95[10,20]=2.35
>
> but
>
> > pf(6,28,2.45)
> [1] 0.8854934
> >
Joerg Schaber wrote:
Hi,
why is it that in tables for the F distribution it is for example
F0.95[6,28]=2.45 or F0.95[10,20]=2.35
but
> pf(6,28,2.45)
[1] 0.8854934
> pf(10,20,2.35)
[1] 0.9300167
Thanks for clarifying,
jeorg
What you are really going to do is:
pf(2.45, 6, 28) # [1] 0.950
... because that should have been:
> pf(2.45, 6, 28)
[1] 0.9503618
> pf(2.35, 10, 20)
[1] 0.950176
When arguments are not named, the order is significant.
Andy
> From: Joerg Schaber
>
> Hi,
>
> why is it that in tables for the F distribution it is for example
>
> F0.95[6,28]=2.45 or F0.95[10
Hi,
why is it that in tables for the F distribution it is for example
F0.95[6,28]=2.45 or F0.95[10,20]=2.35
but
> pf(6,28,2.45)
[1] 0.8854934
> pf(10,20,2.35)
[1] 0.9300167
Thanks for clarifying,
jeorg
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