[R] debug vs regular mode

Zhang, Peng pczhang at med.umich.edu
Fri Aug 10 06:10:56 CEST 2012


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. 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.weylandt at gmail.com> 
wrote:
>
> On Aug 9, 2012, at 9:14 PM, David Winsemius <dwinsemius at 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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