[EMAIL PROTECTED] wrote: > great!! thanks very much, mean(unlist(lapply(listdata, function(z) z$c)))
WHY unlist(lapply(... when sapply(... is simpler? Kjetil > works well. > and what about getting the average table $a (displaying the average elements > across all 1000 matrix)? could you please help me? I am struggling with > this... > > thanks in advance > Roberto > > > > mean(unlist(lapply(x, function(z) z$d))) should do the trick > > On Sun, 12 Feb 2006 20:06:12 +0000, [EMAIL PROTECTED] wrote: > >> 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 ? >> >> thanks in advance!!!! >> >> Roberto Furlan >> University of Turin >> >> ---------------------------------------- >> La mia Cartella di Posta in Arrivo è protetta da SPAMfighter >> 205 messaggi contenenti spam sono stati bloccati con successo. >> Scarica gratuitamente SPAMfighter! >> >> ______________________________________________ >> [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 >> >> > > Rajarshi Guha > <[EMAIL PROTECTED]> > <http://jijo.cjb.net> > > ---------------------------------------- > La mia Cartella di Posta in Arrivo è protetta da SPAMfighter > 205 messaggi contenenti spam sono stati bloccati con successo. > Scarica gratuitamente SPAMfighter! > > > > ------------------------------------------------------------------------ > > ______________________________________________ > [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 ______________________________________________ [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
