Hi Felipe, Could it be something like what happens in mylist2?
########### mylist <- list(1:4, 2:5, 3:6) mylist2 <- list(list(1:4, 11:14), 2:5, 3:6) length(unlist(sapply(mylist, "[", 1))) length(unlist(sapply(mylist2, "[", 1))) ########### HTH, Josh On Sun, Sep 26, 2010 at 4:12 PM, Luis Felipe Parra <felipe.pa...@quantil.com.co> wrote: > Hello I want to unlist the attached element getting only the first element > in each element of the list. The last element of the list looks as this: > > [[5065]] > [[5065]]$Pluv3Meses > [1] 274.4 > [[5065]]$PluvMesesMedio > [1] 378.2667 > [[5065]]$Pluv2UltimosMeses > [1] 23.33333 > > So I would like to get for each element of the list the element called > Pluv3Meses. The whole list has 5065 elements but when I try to unlist it I > am getting 5081 elements I don't know why: > >> length(unlist(sapply(SumaPluvi,"[",1))) > [1] 5081 > > Does anybody know what can be happening? > > Thank You > > Felipe Parra > > ______________________________________________ > 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. > > -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles http://www.joshuawiley.com/ ______________________________________________ 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.