[R] ncp in dt

[Francisco J. Zagmutt]

dt calculates the density function from the student's t distribution.  If 
you want to perform a standard t-test you may want to look at the t.test() 
function included in the stats package.

Cheers,

Francisco




>From: Mark.Leeds at MorganStanley.com
>To: r-help at stat.math.ethz.ch
>Subject: Re: [R] ncp in dt
>Date: Wed, 1 Nov 2006 13:09:50 -0500 (EST)
>
>i meant dt function in my email below. my aopolgies. On Wed, 1 Nov 2006
>Mark.Leeds at morganstanley.com wrote:
>
> >
> > i just wanted to know if the "non centraility parameter" as it is 
>referred
> > to in the dt test is
> > what i would think of as mu zero if i was doing a test of a
> > hypothesis that the mean was equal to mu zero and the variance was
> > unknown. thanks.
> >
> > ______________________________________________
> > R-help at stat.math.ethz.ch mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide 
>http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>______________________________________________
>R-help at stat.math.ethz.ch mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide 
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

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