[R] Questions in R

[John Fox]

At 11:40 AM 11/3/2003 +0000, =?iso-8859-7?q?vasilis=20pappas?= wrote:
>Hello,
>I have 4 questions in R and I am looking for 4 answers!
>the questions are the below:
>1) is there a function in R for the Least Significant Difference method 
>for multiple comparisons?

There is a multcomp package that implements many methods for multiple 
comparisons, but I'm not sure whether it does LSD.

>2) Is there a function in R that gives me the studentized deleted 
>residuals and the leverage points?

rstudent() and hatvalues().

>3) is there a way that I could create a link in a program of mine, so as 
>to select an option when my program is running?

It's not altogether clear to me what you want to do, but see ?menu.

>4) Whis function gives me the opprotunity to give data to my program while 
>it's running?That is, how can i give information, like cin in C++, to my 
>program will it is running in R.
>

See ?readline.

I hope that this helps,
  John

-----------------------------------------------------
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox