[R] functions and getting them into R

[Guy Forrester]

Dear All,

I am new to R and can see it is a very powerful and versatile system for
programming and statistical analysis.

Say I have written a simple function and want to use it on a regular
basis. I have the file as a text file say 'c:\R-funcs\func.txt' how do I
get R to find it on the hard disc or alternatively where is the default
location for looking up functions where I can place this file.  eg where
are functions such as var(), mean() etc stored?  

At the moment I'm pasting the text of the function into the GUI prompt,
not very satisfactory if it is to be used in a programme.

Please forgive any naivety on my part as I am just starting out

Many thanks in advance 

Guy


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