[R] Reg: Rgraphviz installation

[Ista Zahn]

Also, a general suggestion about errors like this: google them!
Searching for "libcdt-4.dll was not found" brings up
http://n4.nabble.com/Rgraphviz-install-td878526.html as the first hit,
and appears to describe the solution.

Best,
Ista

On Fri, Feb 5, 2010 at 2:44 PM, Martin Morgan <mtmorgan at fhcrc.org> wrote:
> On 02/05/2010 05:54 AM, Duncan Murdoch wrote:
>> On 05/02/2010 8:13 AM, Deepak Manohar wrote:
>>> Hi,
>>>
>>> Could you guide me to upload Rgraphviz library. I have installed
>>> Graphviz 2..20.3.1 , even followed the instructions in Read me, but I
>>> cannot load the package.
>>>
>>> There is a error message  "This application has failed to start
>>> becaues libcdt-4.dll was not found. Re-installing the application may
>>> fix this problem", whenever we plan to load the package.
>>>
>>
>> Rgraphviz is a Bioconductor package, so you'll likely get more
>> experienced responses asking on the Bioconductor list.  You might also
>> want to contact the maintainer, Kasper Hansen <khansen at stat.berkeley.edu>.
>> But for what it's worth, it worked for me when I followed the
>> instructions sometime last year.  I haven't tried installing it lately.
>
> Hi Deepak,
>
> Likely your PATH variable is set incorrectly. From within R you should
> be able to do something like
>
>
>> ## which element is supposed to point to Graphviz?
>> strsplit(Sys.getenv("PATH"), ";")
> $PATH
> ...
> [12] "c:\\Program Files\\Microsoft SQL Server\\100\\DTS\\Binn\\"
> [13] "C:\\Program Files\\Graphviz2.20\\bin"
> [14] "C:\\Program Files\\SAS\\SharedFiles\\Formats"
> ...
>> ## does it point to the right place?
>> list.files(strsplit(Sys.getenv("PATH"), ";")[[1]][13])
> ...
> [29] "lefty.exe"                      "libcairo-2.dll"
> [31] "libcdt-4.dll"                   "libcgraph-4.dll"
> [33] "libexpat.dll"                   "libfontconfig-1.dll"
> ...
>
> Please follow up on the Bioconductor mailing list.
>
>  http://bioconductor.org/docs/mailList.htmlst
>
> Martin
>
>>
>> Duncan Murdoch
>>>
>>> Thanks in Advance
>>>
>>> Deepak Manohar
>>>
>>>
>>>
>>>
>>>
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>
> --
> Martin Morgan
> Computational Biology / Fred Hutchinson Cancer Research Center
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org