Peter Dalgaard wrote: > ... > Besides, how do you arrive at a moving target?
Zeno sez: Time of flight = (Location(target)-Location(archer))/(Velocity(arrow)-Velocity(target)) where Velocity(arrow)>Velocity(target) conveniently avoiding all those difficult angling shots, windage and the thousand insults to which slings and arrows are heir. Jim ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html