Yes. Table and matrix size limits are set by the max.integer size which is fixed at what can be represented with 4 bytes.
David Sent from my iPhone > On Jul 3, 2017, at 8:04 AM, Bert Gunter <bgunter.4...@gmail.com> wrote: > > Sorry, don't know enough to give you trustworthy answers, but I can > say that crashes due to (or linked to) packages should usually be > reported to the package maintainer, who can be found by the > ?maintainer function. That person may not monitor this list. > > Cheers, > Bert > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Mon, Jul 3, 2017 at 1:57 AM, Robert Zimbardo > <robertzimba...@gmail.com> wrote: >> I have two character vectors x and y that have the following characteristics: >> >> length(x) # same as >> length(y) # 872099 >> >> length(unique(x)) # 47740 >> length(unique(y)) # 52478 >> >> I need to crosstabulate them, which would lead to a table with >> >> 47740*52478 # 2505299720 >> >> cells, which is more than >> >> 2^31 # 2147483648 >> >> cells, which seems to be R's limit because I am getting the error message >> >> Error in table(x, y) : attempt to make a table with >= 2^31 elements >> >> Two questions: >> >> - is this really R's limit, even on a 64bit machine? It seems like it >> (given >> <https://stat.ethz.ch/R-manual/R-devel/library/base/html/Memory-limits.html> >> and <http://www.win-vector.com/blog/2015/06/r-in-a-64-bit-world/>, but >> I just want to make sure I understood that right); >> - I thought I could handle this with the package bigtabulate, but whenever I >> run >> >> xy.tab <- bigtable(data.frame(x, y), ccols=1:2) >> >> R crashes as follows: >> >> terminate called after throwing an instance of 'std::bad_alloc' >> what(): std::bad_alloc >> Aborted >> >> Any idea on what I am doing wrong with bigtabulate? Thanks for your >> consideration >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> 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. > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
