Dear All,

I would like to ask a question on how to incorporate into an R script help information for the user. I vaguely recall that I saw some instructions on an R manual, but am not able to figure them out. Hereunder is the basic setting:

1.  I finished writing an R script, my_script.r, that is a function (the function is named "my_func") for a statistical procedure. This means that the user only needs to: source("directory_of_script\my_script.r"), then run, my_func(arg1, arg2, ..), to execute the procedure.

2. I would like to add some lines into "my_script.r", so that a user can get information on this file and function by using "?my_func"

Any help or suggestion is appreciated.
Best regards,
Chee
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