[BioC] probelms with hexbin (Solaris, R1.9, BioC 1.4)

Wolfgang Huber huber at ebi.ac.uk
Tue Oct 12 21:19:15 CEST 2004


Hi Ariel,

if you care enough, you could compile R with debugging turned on, start 
a debugger (e.g. "ddd" http://www.gnu.org/software/ddd), start R in 
there, and see where the crash happens (perhaps it is indeed a problem 
that has to do with 32bit versus 64bit integers in the C code).

Bw.
Wolfgang


Ariel Chernomoretz wrote:
> 
> hi Wolfgang
> 
> the problem persists using R-2.0.0 and hexbin 1.0.10. (it's a pitty because
> hexbin seems to be great and does exactly what i meant to do!)
> anyway I will give smoothScatter a chance,
> thanks
> 
> ariel./
> 
> On 12 oct. 2004, at 14:42, Wolfgang Huber wrote:
> 
>> Hi Ariel,
>>
>> does the problem persist if you use R-2.0.0 and the newest hexbin?
>> Whithout knowing any of the details - has anyone got hexbin running 
>> with 64 bit?
>>
>> A slightly different, but related functionalility (false color 
>> representations of density estimates) is also provided by the function
>> smoothScatter in the package prada (development version), you could 
>> try whether you find it useful (see the examples).
>>
>> Bw
>>  Wolfgang
>>
>>
>> Ariel Chernomoretz wrote:
>>
>>> Hi to all,
>>> I want to use the hexbin package in order to reduce the size of 
>>> scatter plot files.
>>> However, after installing hexbin 1.0.8 I found a very unstable behavior
>>> For example, from a fresh R session, running twice
>>>  > example(hexbin)
>>> produces a segmentation fault.
>>> In addition even with the very simple example provided in the doc
>>> the following error messages appears (sometimes):
>>>  > library(hexbin)
>>>  > x<-rnorm(20000)
>>>  > y<-rnorm(20000)
>>>  > hbin<-hexbin(x,y,bins=40)
>>> Warning message:
>>> Lost counts in binning in: hexbin(x, y, xbins=40)
>>>  > plot(hbin)
>>> Error in plot.hexbin(hbin) : plot width too small
>>> I also tried with the developmental version 1.0.10 and got a 
>>> segmentation fault
>>> (I am not using a dev version of R)
>>> Solaris 8
>>> R 1.9.0  (compiled 64 bits)
>>> Bioconductor 1.4
>>> I'll appreciate a lot any suggestion.
>>> Thanks
>>> ariel./
>>> Ariel Chernomoretz, Ph.D.
>>> Centre de recherche du CHUL
>>> 2705 Blv Laurier, bloc T-367
>>> Sainte-Foy, Qc
>>> G1V 4G2
>>> (418)-525-4444 ext 46339
>>> _______________________________________________
>>> Bioconductor mailing list
>>> Bioconductor at stat.math.ethz.ch
>>> https://stat.ethz.ch/mailman/listinfo/bioconductor
>>
>>
>>
>> -- 
>> -------------------------------------
>> Wolfgang Huber
>> European Bioinformatics Institute
>> European Molecular Biology Laboratory
>> Cambridge CB10 1SD
>> England
>> Phone: +44 1223 494642
>> Http:  www.dkfz.de/abt0840/whuber
>> -------------------------------------
>>
> Ariel Chernomoretz, Ph.D.
> Centre de recherche du CHUL
> 2705 Blv Laurier, bloc T-367
> Sainte-Foy, Qc
> G1V 4G2
> (418)-525-4444 ext 46339
>



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