On Thu, 2007-04-12 at 18:12 +0200, Johannes Graumann wrote: > Dear Rologists, > > I'm stuck with this. How would you do this efficiently: > > > aPGI > [[1]] > [1] "864" "5576" > > > > aPGItest > [[1]] > [1] TRUE FALSE > > > result <- [magic box involving subset) > > > result > [[1]] > [1] "864" > > Thanks for any hints, > > Joh
> lapply(seq(along = length(aPGI)), function(x) aPGI[[x]][aPGItest[[x]]]) [[1]] [1] "864" I think that this should be a generic solution for multiple (but common) levels in each list. HTH, Marc Schwartz ______________________________________________ [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 and provide commented, minimal, self-contained, reproducible code.
