Documentation

Hi,

I am new in R.

Can anyone tell :
1. how we can write our own functions in R ?

foo <- function(args) {
  function body
}

2. how we can save those functions and recall to use them?

by saving what you write in a script file---later on you may want to
put them in a package.

3. what extensions are used for saving a file?

for syntax, typically .R

If you are new to R, you will benefit from carefully reading the
manuals:  http://cran.r-project.org/manuals.html

I would start with An Introduction to R, and then if you are
interested in writing your own package(s), the Writing R Extensions
manual.

Cheers,

Josh

--
Siddharth Arun,
4th Year Undergraduate student
Industrial Engineering and Management,
IIT Kharagpur

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