I think that your object exceeds the limit of 2^31 elements.
Sent from my iPad
On Dec 16, 2010, at 17:44, Changbin Du <changb...@gmail.com> wrote:
> Dear R community,
>
> I have one function, it works for small data set, but does not work on large
> data set, can anyone help me with this?
>
>> #creat new variable by dividing each aa dimer by total_length.
>> imper<-function(x, file) {
> + round(x/file$length, 5)
> + }
>
>
>> dim(test)
> [1] 999 2402
>
>> test[varname[2:2401]]<- apply(as.matrix(test[varname[2:2401]]), 2,
> function (x) imper(x, test))
>
>
>> dim(dimer.nn)
> [1] 999554 2402
>
>> dimer.nn[varname[2:2401]]<- apply(as.matrix(dimer.nn[varname[2:2401]]), 2,
> function (x) imper(x, dimer.nn))
> *
> Error in unlist(X, recursive = FALSE, use.names = FALSE) :
> negative length vectors are not allowed*
>
>
> Thanks so much!
>
> --
> Sincerely,
> Changbin
> --
>
> Changbin Du
> DOE Joint Genome Institute
> Bldg 400 Rm 457
> 2800 Mitchell Dr
> Walnut Creet, CA 94598
> Phone: 925-927-2856
>
> [[alternative HTML version deleted]]
>
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