Hello I am wondering, how do I find if R has a certain funciton to do a given task. do I just type help.search("rate"). I am just trying to find a function to calculate the rate of change for a variable. I could come up with one if there isn't any allready builtin.
thanks ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html