Displaying 3 results from an estimated 3 matches for "centralit".
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centrality
2003 Feb 14
1
FW: [Fwd: Re: [S] Exact p-values]
...e more
> arguments.
> > For example, pchisq(29.8, df=1, lower.tail=F) produces the same
> > answer, and pchisq(29.8, df=1, lower.tail=F, log=T) produces its
> natural
> > logarithm. Also, pchisq, dchisq, qchisq, and rchisq in R all have an
> > "ncp" noncentrality parameter argument; only pchisq has such in S-Plus
> > 6.1. Similarly, none of the Student's t functions in S-Plus have a
> > non-centralitity parameter; in R, pt has an argument ncp, and from
> this
> > one can easily program ncp for dt, qt and rt. Also, the distri...
2004 Aug 31
2
sample size for t-tests
Dear all,
Could any one please tell me the exact formula R uses to calculate the sample size for one-sample and two-sample t-tests? Thanks,
Caimiao
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2003 Feb 14
0
FW: [Fwd: Re: [S] Exact p-values]
...; For example, pchisq(29.8, df=1, lower.tail=F) produces the same
> >> > answer, and pchisq(29.8, df=1, lower.tail=F, log=T) produces its
> >>natural
> >> > logarithm. Also, pchisq, dchisq, qchisq, and rchisq in R all have an
> >> > "ncp" noncentrality parameter argument; only pchisq has such in
> S-Plus
> >> > 6.1. Similarly, none of the Student's t functions in S-Plus have a
> >> > non-centralitity parameter; in R, pt has an argument ncp, and from
> >>this
> >> > one can easily program ncp...