[R] ave across columns

[Truc Truong]

Hi:

How do I find average across three columns such as weight1, weight2, weight3 (20 people, each person has three different measures)? They have NA's also. Thanks

Tom, Univ of Pittsburgh, [EMAIL PROTECTED]

______________________________________________
[EMAIL PROTECTED] mailing list
http://www.stat.math.ethz.ch/mailman/listinfo/r-help