** Reply to message from Thomas Lumley <[EMAIL PROTECTED]> on Mon, 24 Mar 2003 14:30:44 -0800 (PST)
>Use by() That's what I need. Somebody should put a link to by() in the tapply() section of the html docs. Thanks. ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
