[EMAIL PROTECTED] writes: > hi all, > I have a simple problem that i am not able to solve. I've a list called > datalist with the following structure: > > [...] > > [[10]] > [[10]]$a > > -1 0 1 > -1 31 5 2 > 0 6 7 5 > 1 1 7 36 > > [[10]]$b > > -1 0 1 > -1 31 5 2 > 0 6 7 5 > 1 1 7 36 > > [[10]]$c > [1] 0.855 > > [[10]]$d > [1] 0.855 > > [...] > > with [[1]] ... [[100]]. How can i get the mean value of datalist[[x]]$d, > where x represents all elements from 1 to 1000 ?
I'd try something like mean(sapply(x,"[[","d")) -- O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [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
