[R] about the possible errors in Rgraphviz Package
murdoch at stats.uwo.ca
Tue Mar 30 19:28:59 CEST 2010
On 30/03/2010 1:24 PM, HU,ZHENGJUN wrote:
> Hi Duncan,
> > (They are pretty hard to find, but I think you can find them on
> > the Bioconductor site.) It is > not enough to install the
> > Rgraphviz package, you also need to install Graphviz.
> Yes I did. Before installing the Rgraphviz package successfully,
> (1) I downloaded graphviz-2.26.3.msi for MS Windows (XP) and
> installed it successfully and (2) I also installed the packages
> from Bioconductor by: (Note: I use MS Windows XP and R 2.10.1
From the instructions:
The right version of Graphviz for Bioconductor 2.5 is version
> I got those error messages:
> "Error in inDL(x, as.logical(local), as.logical(now), ...) :
> unable to load shared library
> LoadLibrary failure: The specified module could not be
> Obviously, it seems it is the package problem because it should
> go to
> instead of
> Thank you for the reply. Howard
> On Tue Mar 30 12:50:44 EDT 2010, Duncan Murdoch
> <murdoch at stats.uwo.ca> wrote:
> > On 30/03/2010 10:44 AM, HU,ZHENGJUN wrote:
> >> Hi All,
> >> I tried to install the package of Rgraphviz in the following
> >> two ways successfully:
> >> source("http://bioconductor.org/biocLite.R")
> >> biocLite("Rgraphviz")
> >> install.packages(pkgs="C:/Progra~1/R/lib_download/Rgraphviz_1.24.0.zip",
> >> lib="C:/Progra~1/R/R-2.10.1/library", repos=NULL)
> >> but when I loaded the package though library(Rgraphviz) or
> >> library("Rgraphviz"), and got the same error message below:
> >> "Error in inDL(x, as.logical(local), as.logical(now), ...) :
> >> unable to load shared library
> >> 'C:/PROGRA~1/R/R-210~1.1/library/Rgraphviz/libs/Rgraphviz.dll':
> >> LoadLibrary failure: The specified module could not be found."
> > Most likely the problem is that you haven't followed the
> > installation instructions. (They are pretty hard to find, but I
> > think you can find them on the Bioconductor site.) It is not
> > enough to install the Rgraphviz package, you also need to install
> > Graphviz.
> > Duncan Murdoch
> >> I think that it is the error in the package because it should go
> >> to 'C:/PROGRA~1/R/R-2.10.1/library/Rgraphviz/libs/Rgraphviz.dll'
> >> instead of
> >> 'C:/PROGRA~1/R/R-210~1.1/library/Rgraphviz/libs/Rgraphviz.dll'
> >> Could anyone help me to solve to problem?
> >> Thank you very much for the help. Howard
> >> ______________________________________________
> >> R-help at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible
> >> code.
More information about the R-help