On 07/25/2011 06:05 AM, Ram H. Sharma wrote:
Dear expertsI installed Rgraphviz with the following command: source("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
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
Ask further questions on the Bioconductor mailing list 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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