On Tue, Dec 31, 2002 at 02:33:37AM +0100, Till Baumgaertel wrote: > > My question: which is the most elegant way to select the desired variables? > > > Or in general: I'd like to select 2^m variables starting with the n-th variable > of the original set with a distinct distance d. If m==3, n==5 and d==3 this > should get me the following variables: > 5, 8, 11, 14, 17, 20, 23, 26
seq(n, n + d * (2^m - 1), by=d) seems to generate the index vector you want Hopin' it helps, Laurent ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
