On 6 Sep 2003 at 16:06, Paul Divid wrote:
?fitdistr
will give you the answers.
Something like:
> library(MASS)
> test <- rt(100, df=8)
> fitdistr( test, "t", df=30 )
m s
0.04966923 1.17588480
(0.12130013) (0.08745488)
> fitdistr( test, "t", df=8 )
m s
0.04895709 1.07989354
(0.11957624) (0.08891004)
If you want to estimate df too, see the help page.
Kjetil Halvorsen
> Dear R users:
>
> 1. Is there a function which fits to the data the t-student distribution
> with parameters mu, sigma, nu.
>
> Is the function fitdistr of MASS
> with the syntax fitdistr(x, "t")
> appropriate for this?
>
>
> 2. Is there a function which can fit the exponential power distribution?
>
> Thanks.
>
>
>
>
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