Hi All

How can I adjust this path. My current path of Graphviz installation is:

C:\Program Files (x86)\Graphviz2.20\bin

and Rgraphviz is

C:\R\library\Rgraphviz\libs\i386

Please help me. I am new to Rgraphviz.

Ram




"your Windows system 'PATH' variable needs to be adjusted once you've
installed graphviz and before installing Rgraphviz"

---------- Forwarded message ----------
From: Martin Morgan <mtmorgan@fhcrc.org>
Date: Mon, Jul 25, 2011 at 9:25 AM
Subject: Re: [R] Rgraphviz installation problem
To: "Ram H. Sharma" <sharma.ram.h@gmail.com>
Cc: r-help@r-project.org


On 07/25/2011 06:05 AM, Ram H. Sharma wrote:

> Dear experts
>
> I installed Rgraphviz with the following command:
>
>
> source("http://www.**bioconductor.org/biocLite.R<http://www.bioconductor.org/biocLite.R>
> ")
>
>     biocLite("Rgraphviz")
>
>
> But had a problem when I tried to load it.
>
> This says that libcdt-4.dll is missing in your computer and the following
> message in R window:
>
>  library("Rgraphviz")
>>
> Loading required package: graph
> Loading required package: grid
> Error : .onLoad failed in loadNamespace() for 'Rgraphviz', details:
>   call: value[[3L]](cond)
>   error: unable to load shared object
> 'C:/R/library/Rgraphviz/libs/**i386/Rgraphviz.dll':
>   LoadLibrary failure:  The specified module could not be found.
>
>
>   Check that (1) graphviz is installed on your system; (2) the
>

you need to install graphviz, as well as Rgraphviz.


   installed version of graphviz matches '2.20.3'; this is the version
>   used to build this Rgraphviz package; (3) graphviz is accessible to
>

graphviz has to be a specific version.


   R, e.g., the path to the graphviz 'bin' directory is in the system
>   'PATH' variable.  See additional instructions in the 'README' file of
>

your Windows system 'PATH' variable needs to be adjusted once you've
installed graphviz and before installing Rgraphviz


   the Rgraphviz 'source' distribution, available at
>
>   http://bioconductor.org/**packages/release/bioc/html/**Rgraphviz.html<http://bioconductor.org/packages/release/bioc/html/Rgraphviz.html>
>

additional details are at the url above. For instance, the specific version
of graphviz required is

 http://www.graphviz.org/pub/**graphviz/stable/windows/**
graphviz-2.20.3.1.msi<http://www.graphviz.org/pub/graphviz/stable/windows/graphviz-2.20.3.1.msi>


   Ask further questions on the Bioconductor mailing list
>
>   http://bioconductor.org/docs/**mailList.html<http://bioconductor.org/docs/mailList.html>
>

if you have more questions, ask on the Bioconductor mailing list.

Martin



> Error: package/namespace load failed for 'Rgraphviz'
>
>
> Help me please.
>
>
>

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-- 

Ram H

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