On 01/30/2010 11:46 AM, Gustavo Lacerda wrote: > hi, > > It sounds like this is a common issue, but I couldn't find a solution. > > I can load most libraries just fine, but when I do library(Rgraphviz), it > complains about being unable to load a DLL. Full details below this > message. > > When I do this from inside the RConsole (as opposed to doing it from > Emacs), it tells me that "libcdt-4.dll was not found". > > I am using R version 2.9.1 (2009-06-26) on Windows XP, and I just got > a fresh Rgraphviz using 'biocLite'. > > By the way, I am wondering if my path needs to contain > Graphviz2.20/bin, or anything else. This stopped working right around > the time when I messed with my PATH, and I haven't been able to fix it > since. > Hi Gustavo -- yes, your PATH needs to include something like c:\Program Files\Graphviz2.20\bin > Gustavo > > > >> library(Rgraphviz) > > Error in inDL(x, as.logical(local), as.logical(now), ...) : > unable to load shared library > 'c:/PROGRA~1/R/R-2.9.1/library/Rgraphviz/libs/Rgraphviz.dll': > LoadLibrary failure: The specified module could not be found. > > In addition: Warning message: > package 'Rgraphviz' was built under R version 2.9.2 > Error: package/namespace load failed for 'Rgraphviz' You shouldn't see this message if you install using biocLite(). If you do, then please let us know; you might want to visit http://bioconductor.org/docs/install and follow the directions for updating packages. Martin > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- Martin Morgan Computational Biology / Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 Location: Arnold Building M1 B861 Phone: (206) 667-2793

On Mon, Feb 1, 2010 at 10:39 AM, Martin Morgan <mtmorgan at="" fhcrc.org=""> wrote: > On 01/30/2010 11:46 AM, Gustavo Lacerda wrote: >> hi, >> >> It sounds like this is a common issue, but I couldn't find a solution. >> >> I can load most libraries just fine, but when I do library(Rgraphviz), it >> complains about being unable to load a DLL. Full details below this >> message. >> >> When I do this from inside the RConsole (as opposed to doing it from >> Emacs), it tells me that "libcdt-4.dll was not found". >> >> I am using R version 2.9.1 (2009-06-26) on Windows XP, and I just got >> a fresh Rgraphviz using 'biocLite'. >> >> By the way, I am wondering if my path needs to contain >> Graphviz2.20/bin, or anything else. This stopped working right around >> the time when I messed with my PATH, and I haven't been able to fix it >> since. >> > > Hi Gustavo -- > > yes, your PATH needs to include something like > > ?c:\Program Files\Graphviz2.20\bin > Thanks. It's fixed now. For the record, I'm using "Progra~1" instead, which has no spaces, thereby avoiding parse errors. Gustavo