[R] Processing calendar dates with R

I am a beginner in R with a background in SAS. Are there built-in R methods of reading dates for calculating elapsed days between two calendar dates? If so, are there any examples I can browse? Thanks in anticipation. John Byrne. Lecturer in Information Systems. Australian Catholic

[R] Syntax error from the following command running on Win XP: Rcmd BATCH a:test.r

What is the correct syntax for running a batch program (test.r) from the a: drive. I have tried no quotes, single and double quotes around a:test.r to no avail. Thanks in anticipation. John Byrne. __ [EMAIL PROTECTED] mailing list https