Dan Tenenbaum | 3 Jan 18:49 2013

Re: error message relating to png file when running maQualityPlots

On Thu, Jan 3, 2013 at 8:37 AM, James W. MacDonald <jmacdon@...> wrote:
> I don't remember if Macs come ready to do png graphics or not, and a quick
> google doesn't clear it up for me.

In general, png is supported on the mac.

> So the first step I would take is to
> ensure that you have the capability to do so. Try typing
>
> capabilities()
>
> at an R prompt and see if there is a TRUE under png. If not, you can set the
> dev argument of maQualityPlots() to a device for which you have
> capabilities. If there is a TRUE under png, then you will need to furnish
> the actual code you are running (or better yet, a reproducible example,
> which implies that I or anybody else can try and replicate what you have
> done).
>

Yes, a reproducible example would be great. I am guessing that you are
working your way through this code:

http://www.bioconductor.org/help/publications/books/bioinformatics-and-computational-biology-solutions/chapter-code/TwoColorPre.R

This uses packages which are obsolete so it's not surprising that you
are getting errors.

Dan

> Best,
>
> Jim
>
>
> On 1/3/2013 11:15 AM, Yanqing Hu [guest] wrote:
>>
>> I'm using Rstudio on my Mac. When I ran the code maQualityPlots(beta7) in
>> Chapter 4 of Bioinformatics and Computational Biology Solutions Using R and
>> Bioconductor, I got the mesasge "Error in plot.new() : could not open file
>> 'diagPlot.6Hs.195.1.png'". Does anyone know how to fix this problem? Thanks
>> a lot!
>>
>>   -- output of sessionInfo():
>>
>> R version 2.15.1 (2012-06-22)
>> Platform: x86_64-redhat-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
>> [7] base
>>
>> other attached packages:
>>   [1] vsn_3.26.0            arrayQuality_1.36.0   beta7_1.0.4
>>   [4] marray_1.36.0         cluster_1.14.2        BiocInstaller_1.8.2
>>   [7] affycomp_1.34.0       affyPLM_1.34.0        preprocessCore_1.20.0
>> [10] gcrma_2.30.0          hgu133acdf_2.11.0     hgu95av2cdf_2.11.0
>> [13] AnnotationDbi_1.20.0  affydata_1.11.17      affy_1.36.0
>> [16] Biobase_2.18.0        BiocGenerics_0.4.0    class_7.3-5
>> [19] limma_3.14.3
>>
>> loaded via a namespace (and not attached):
>>   [1] affyio_1.26.0      Biostrings_2.26.1  DBI_0.2-5
>>   [4] grid_2.15.1        gridBase_0.4-5     hexbin_1.26.0
>>   [7] IRanges_1.16.2     lattice_0.20-10    parallel_2.15.1
>> [10] RColorBrewer_1.0-5 RSQLite_0.11.2     splines_2.15.1
>> [13] stats4_2.15.1      tools_2.15.1       zlibbioc_1.4.0
>>
>> --
>> Sent via the guest posting facility at bioconductor.org.
>>
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>
>
> --
> James W. MacDonald, M.S.
> Biostatistician
> University of Washington
> Environmental and Occupational Health Sciences
> 4225 Roosevelt Way NE, # 100
> Seattle WA 98105-6099
>
>
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