[R] T-Distribution

[bojaniss]

Hello Hicham,

Wednesday, October 2, 2002, 11:28:03 AM, you wrote:


HZ> Dear sir,
HZ> I would ask if there are in R some code to generate a random sample 
HZ> from a mvariate student distribution like that one wich generate the 
HZ> multivariate normal one i mean( rmvnorm(n, mu, sigma)

Try rt() function, type ?rt for help.

HZ> Second question : if R can plot density 3Dcurve I don't mean de 
HZ> histogram but de hole density function(normal for example).

I think sm.density function in sm package (available on CRAN) will
do what you want.

hope this helps


Michal


~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~`~,~

Michal Bojanowski - mbojanowski at samba.iss.uw.edu.pl
Polish General Social Survey
Institute for Social Studies
University of Warsaw
http://www.iss.uw.edu.pl/

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