Thanks. Timothée - please file a bug report on R-Forge. "Chris Neff" <[email protected]> wrote in message news:CAAuY0RVr1qyizP6exZ8FnJ=hcoqrj4eoguper8kazhfmz46...@mail.gmail.com... Verifying I get the exact same behavior. 64-bit linux here too.
2011/8/5 Timothée Carayol <[email protected]>: > I have a problem, quite related to the one I was mentioning yesterday > and earlier today; Matthew suggested I ask the list whether anyone > else can reproduce it, or whether it's just my installation. Matthew's > guess is that it's either my installation or anyone with 64-bit linux; > so anyone running 64-bit unix based system is welcome to try the code > below. > > > This works: > >> A <- data.table(V1=1:10, V2=1:10) >> A[, V2:=NULL] > V1 > [1,] 1 > [2,] 2 > [3,] 3 > [4,] 4 > [5,] 5 > [6,] 6 > [7,] 7 > [8,] 8 > [9,] 9 > [10,] 10 > > > But this either crashes R (segfault) or returns the following error > and corrupts the object: > >> A[, V1:=NULL] > Error in data.table(lapply(x, function(x) { : > 'translateCharUTF8' must be called on a CHARSXP > > > The column names are irrelevant; the same error happens if I call them > "a" and "b" (for example). > > The problem affects me both under data.table 1.6.3 and 1.6.4. > > > > sessionInfo() > R version 2.13.1 (2011-07-08) > Platform: x86_64-unknown-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_GB.UTF-8 LC_NUMERIC=C > LC_TIME=en_GB.UTF-8 LC_COLLATE=en_GB.UTF-8 LC_MONETARY=C > [6] LC_MESSAGES=en_GB.UTF-8 LC_PAPER=en_GB.UTF-8 LC_NAME=C > LC_ADDRESS=C LC_TELEPHONE=C > [11] LC_MEASUREMENT=en_GB.UTF-8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] data.table_1.6.3 > > > Many thanks > Timothee > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help >
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