Hi Martin Thank you for help, that helped me to come out the problem !
On Mon, Jul 25, 2011 at 11:46 AM, Martin Morgan <mtmor...@fhcrc.org> wrote: > On 07/25/2011 07:58 AM, Ram H. Sharma wrote: > >> 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. >> > > PATH is an environment variable. From the R FAQ for Windows > > http://cran.fhcrc.org/bin/**windows/base/rw-FAQ.html#How-** > do-I-set-environment-**variables_003f<http://cran.fhcrc.org/bin/windows/base/rw-FAQ.html#How-do-I-set-environment-variables_003f> > > "For all applications via Windows. How you set an environment variable is > system specific: under Windows 2000/XP/Server 2003 you can use `System' in > the control panel or the properties of `My Computer' (under the `Advanced' > tab). Under Vista/7, go to `User Accounts' in the Control Panel, and select > your account and then `Change my environment variables'." > > Create a 'New' user variable named PATH, with value > > > C:\Program Files (x86)\Graphviz2.20\bin > > If a value already exists for PATH, add the above, separated by a semicolon > ;. Restart R and check that the path is set correctly > > path <- strsplit(Sys.getenv("PATH"), ";")[[1]] > dir(path[grepl("Graphviz2.20", path)]) > > should return several file names, including, e.g., libgraph-4.dll. Install > Rgraphviz with > > > source("http://bioconductor.**org/biocLite.R<http://bioconductor.org/biocLite.R> > ") > biocLite('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<mtmor...@fhcrc.org> >> Date: Mon, Jul 25, 2011 at 9:25 AM >> Subject: Re: [R] Rgraphviz installation problem >> To: "Ram H. Sharma"<sharma.ra...@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.**bioconduc**tor.org/biocLite.R<http://bioconductor.org/biocLite.R> >>> <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> >>> <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/**<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<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> >>> <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. >>> >>> >>> >>> >> > > -- > Computational Biology > Fred Hutchinson Cancer Research Center > 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 > > Location: M1-B861 > Telephone: 206 667-2793 > -- Ram H [[alternative HTML version deleted]] ______________________________________________ R-help@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.
