On 2012-08-10 15:42, Zhang, Peng wrote:
You are right. I am running Arch Linux. However, I obtained a
segmentation directly, so didn't know where to find the bug??
> library("glmulti")
Loading required package: rJava
> testdata = cbind(Y=rnorm(100), data.frame(matrix(rnorm(100*50), ncol
= 50)))
> glmulti(Y~(X1+X2+X3+X4+X5+X6+X7+X8+X9+X10+X11+X12+X13+X14+X15)*X16,
data= testdata, level = 2)
Segmentation fault
Is this information "Error in .jnew("glmulti/ModelGenerator", y,
jarray(xc), .jarray(xq), : java.lang.ArrayIndexOutOfBoundsException:
15" only in Windows, or did you see it under Fedora as well?
Windows only. Fedora just returned "Segmentation fault".
//Henric
Thank you!
Peng
BTW:
$ uname -a
Linux Precision 3.4.7-1-ARCH #1 SMP PREEMPT Sun Jul 29 22:02:56 CEST
2012 x86_64 GNU/Linux
> sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=C LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
On 08/10/2012 09:25 AM, Henric (Nilsson) Winell wrote:
On 2012-08-10 06:10, Zhang, Peng wrote:
Thanks to both for your reply.
library(glmulti)
testdata = cbind(Y=rnorm(100), data.frame(matrix(rnorm(100*50), ncol
= 50)))
glmulti(Y~(X1+X2+X3+X4+X5+X6+X7+X8+X9+X10+X11+X12+X13+X14+X15)*X16, data
= testdata, level = 2)
This is reproducible to get a segmentation fault.
There's some information missing here, notably the output from
'sessionInfo()', but I guess this is under GNU/Linux. I can confirm a
seg. fault under Fedora FC17 x86_64.
Under Windows 7 64-bit, however, we get some further info:
library("glmulti")
Loading required package: rJava
testdata = cbind(Y=rnorm(100), data.frame(matrix(rnorm(100*50), ncol
= 50)))
glmulti(Y~(X1+X2+X3+X4+X5+X6+X7+X8+X9+X10+X11+X12+X13+X14+X15)*X16,
data
+ = testdata, level = 2)
Initialization...
Error in .jnew("glmulti/ModelGenerator", y, .jarray(xc), .jarray(xq), :
java.lang.ArrayIndexOutOfBoundsException: 15
sessionInfo()
R version 2.15.1 Patched (2012-08-06 r60178)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=Swedish_Sweden.1252 LC_CTYPE=Swedish_Sweden.1252
[3] LC_MONETARY=Swedish_Sweden.1252 LC_NUMERIC=C
[5] LC_TIME=Swedish_Sweden.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] glmulti_1.0.4 rJava_0.9-3
So, this doesn't seem to be a bug in R and is thus likely to need the
attention of the 'glmulti' package's maintainer.
HTH,
Henric
But I have troubles to
extract the exact information from this S4 class to make a simpler
example because of my limited knowledge on S4 class. The author of the
package is busy at the moment, and does not have time to look into it.
Peng
On 08/09/2012 10:25 PM, R. Michael Weylandt <michael.weyla...@gmail.com>
wrote:
On Aug 9, 2012, at 9:14 PM, David Winsemius <dwinsem...@comcast.net>
wrote:
On Aug 9, 2012, at 4:56 PM, Zhang, Peng wrote:
Dear all,
I had a R segmentation fault, and then invoked debug mode and ran
step
by step.
2. Why does the same function behave differently under debug and
regular
mode?
I cannot help you there.
Though a reproducible segfault is certainly worth a bug report if
you can do so, in debug or regular modes.
You may wish to search stackoverflow for tips on how to make a great
reproducible example in R.
Michael
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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