I suspect the problem is that table() is not displaying the correct length. Try table(n, useNA="ifany")
--Susan >Message: 75 >Date: Mon, 27 Sep 2010 11:41:24 -0700 >From: Henrik Bengtsson <[email protected]> >To: Ben Bolker <[email protected]> >Cc: r-help <[email protected]> >Subject: Re: [R] Problem with unlist >Message-ID: > <[email protected]> >Content-Type: text/plain; charset=ISO-8859-1 >On Mon, Sep 27, 2010 at 5:27 AM, Ben Bolker <[email protected]> wrote: >> Luis Felipe Parra <felipe.parra <at> quantil.com.co> writes: >> >>> >>> ?Hello, I am trying to unlist a list, which is attached, and I am having the >>> problem that when I unlist it the number of elements changes from 5065 to >>> 5084 >>> >>> ?> x <- lapply(SumaPluvi, FUN="[", 1); >>> > n <- sapply(x, FUN=length); >>> > print(table(n)); >>> n >>> ? ?1 >>> 5065 >>> > print(which(n != 1)); >>> integer(0) >>> > length(unlist(lapply(SumaPluvi, FUN="[", 1))) >>> [1] 5081 >>> > >>> >>> I dont now why, but when I unlist it the number of elements changes from >>> 5065 to 5084 even if there is no list element with length greater than one. >>> Do you know what can be happening? >>> >> >> ?We probably won't be able to get farther without a reproducible >> example. ?One brute-force way of finding the problem is by bisection: >> i.e., try the first and last halves of your list separately, and see >> if either one individually shows a similar problem. ?Proceed recursively >> until you localize the problem ... >...and as alternative, my most recent post did contain an updated code >snippet that is likely to find list elements generating more than one >value. /Henrik ______________________________________________ [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.
