[R] F Dist

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu Feb 19 14:23:01 CET 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
>  > 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] 0.9503618
pf(2.35, 10, 20)  # [1] 0.950176

Uwe Ligges




More information about the R-help mailing list