On 25-01-2012, at 19:09, patzoul wrote: > I have 2 series of data a,b and I would like to calculate a new series which > is z[t] = z[t-1]*a[t] + b[t] , z[1] = b[1]. > How can I do that without using a loop?
?filter Berend ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
