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It seems
It seems (from the debugger output) that this is corruption in the R
memory allocation routines. Such things can usually be tracked down
via valgrind and a valgrind-instrumented build of R, but I cannot
trigger this on any system with valgrind. I've tried 64- and 32-bit
versions, and Latin-1
I make a version for matrix. Because, it would be more efficient to
split each column of a matrix than to convert a matrix to a data.frame
then call split() on the data.frame. Note that the version for a
matrix and a data.frame is slightly different. Would somebody add this
in R as well?
split.mat
> Yes. The culprit would seem to be interaction(), as in
>
>> x <- y <- z <- 1:999
>> i <- interaction(x,y,z, drop=TRUE)
> Error: cannot allocate vector of size 3.7 Gb
>
> which is happening due to the occurrence of three idvar variables. This
> works basically as interaction(x,y,z)[,drop=TRUE], i.
On Wed, Dec 9, 2009 at 5:44 PM, Charles C. Berry wrote:
> On Wed, 9 Dec 2009, William Dunlap wrote:
>
>> Here are some differences between the current and proposed
>> split.data.frame.
>
> Adding 'drop=FALSE' fixes this case. See in line correction below.
Thank you for the correction.
>>> d<-dat
On Wed, 9 Dec 2009, William Dunlap wrote:
Here are some differences between the current and proposed
split.data.frame.
Adding 'drop=FALSE' fixes this case. See in line correction below.
Chuck
d<-data.frame(Matrix=I(matrix(1:10, ncol=2)),
Named=c(one=1,two=2,three=3,four=4,five=5),
row.na
Here are some differences between the current and proposed
split.data.frame.
> d<-data.frame(Matrix=I(matrix(1:10, ncol=2)),
Named=c(one=1,two=2,three=3,four=4,five=5),
row.names=as.character(1001:1005))
> group<-c("A","B","A","A","B")
> split.data.frame(d,group)
$A
Matrix.1 Matrix.2 Named
10
Please see the following code for the runtime comparison between
split() and mysplit.data.frame() (they do the same thing
semantically). mysplit.data.frame() is a fix of split() in term of
performance. Could somebody include this fix (with possible checking
for corner cases) in future version of R
Hello Peter,
I have now installed R-2.10.1 RC (sessionInfo() says "R version 2.10.1 RC
(2009-12-06 r50684)", the rest I believe is as before). The following code
always brings R --vanilla down (with a crash, not a normal exit):
-- cut here --
gctorture()
u <- intToUtf8(c(rep(1e3,1e2),32,c(rep(1e
abelik...@gmail.com wrote:
Full_Name: Alexander L. Belikoff
Version: 2.8.1
OS: Ubuntu 9.04 (x86_64)
Submission from: (NULL) (67.244.71.200)
I'm trying to reshape the following data frame:
ID DATE1 DATE2 VALUE_TYPEVALUE
'abcd1233' 2009-11-12
Greetings,
When I call choose.files() from within a Windows (Vista or XP) Rgui.exe
(2.10.0) session and double-click my choice, a large section of the text in
the 'R Console' window appears as "selected" (highlighted in blue) when
control returns to the console. The end point of the selected text
As some of you will be aware, TeXLive 2009 was released last month
having blocked updates on earlier versions since May. This has lead
to a flood of updates of LaTeX packages, as a result of which the
PDF manuals of R 2.10.0 and earlier will no longer build, for two
separate reasons.
For MiK
brg...@ncsu.edu wrote:
Full_Name: Franc Brglez
Version: R 2.9.1 GUI 1.28 Tiger build 32-bit (5444)
OS: MacOSX -- 10.6.2
Submission from: (NULL) (24.148.163.114)
I am demonstrating what may be a bug or my lack of experience. Please review as
it would help to hear from someone.
It is your la
On Wed, 9 Dec 2009, brg...@ncsu.edu wrote:
Full_Name: Franc Brglez
Version: R 2.9.1 GUI 1.28 Tiger build 32-bit (5444)
OS: MacOSX -- 10.6.2
Submission from: (NULL) (24.148.163.114)
I am demonstrating what may be a bug or my lack of experience. Please review as
it would help to hear from someon
> "JP" == Jeszenszky Peter
> on Mon, 7 Dec 2009 22:12:43 +0100 writes:
JP> Hello,
JP> Thank you for your reply. The suggested conversion trick with a slight
JP> modification does the job.
JP> I hope, the svm function of the e1071 package will support slam sparse
J
Full_Name: Karl Schilling
Version: 2.10.0 patched
OS: Win XP
Submission from: (NULL) (131.220.251.8)
I am running R 2.10.0 patched under WinXP (German version).
When I use the command file.choose() and try to navigate to a target with an
umlaut
(Ä, Ö, Ü) in the pathway, I get an error message "fi
Full_Name: Franc Brglez
Version: R 2.9.1 GUI 1.28 Tiger build 32-bit (5444)
OS: MacOSX -- 10.6.2
Submission from: (NULL) (24.148.163.114)
I am demonstrating what may be a bug or my lack of experience. Please review as
it would help to hear from someone.
MANY THANKS -- Franc Brglez
The function "
Full_Name: Alexander L. Belikoff
Version: 2.8.1
OS: Ubuntu 9.04 (x86_64)
Submission from: (NULL) (67.244.71.200)
I'm trying to reshape the following data frame:
ID DATE1 DATE2 VALUE_TYPEVALUE
'abcd1233' 2009-11-122009-12-23 'TYPE1'
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