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I'm running Windows 7, have R version 3.2.4 Revised, and downloaded RTools. When I attempt to install an older version of igraph (0.7.1), I get the following error:

ERROR: compilation failed for package 'igraph'
* removing 'C:/Users/Tom/Documents/R/win-library/3.2/igraph'
Warning in install.packages :
  running command '"C:/PROGRA~1/R/R-32~1.4RE/bin/x64/R" CMD INSTALL -l "C:\Users\Tom\Documents\R\win-library\3.2" "C:/igraph_0.7.1.tar.gz"' had status 1
Warning in install.packages :
  installation of package ‘C:/igraph_0.7.1.tar.gz’ had non-zero exit status

The specific command I'm using is:

install.packages("C:/igraph_0.7.1.tar.gz", repos = NULL, type = "source")

although I've tried this a number of different ways (in the command prompt, running as an administrator, using devtools), and nothing works. Any thoughts would be helpful. Thanks.

Roman Luštrik
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T. Durrenberger
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  • I noticed another item a bit higher that might be a clue: foreign-graphml.c:38:29: fatal error: libxml/encoding.h: No such file or directory compilation terminated. – T. Durrenberger Mar 29 '16 at 03:18
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    Double post with this [post](http://stackoverflow.com/questions/22624216/building-r-igraph-package-in-win7) – Stereo Mar 29 '16 at 03:26
  • Thanks for the heads-up, but I'm still quite new to R, so it's tough for me to follow. Is there a more straightforward explanation somewhere, or other material I could use to figure this out? – T. Durrenberger Mar 29 '16 at 04:24
  • What part is confusing? Just change the `DESCRIPTION` file to include yourself as the sole maintainer, upload the file and receive a binary in your email? See the [procedure instructions](http://win-builder.r-project.org/). – Roman Luštrik Mar 29 '16 at 07:01

1 Answers1

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This is a sufficiently recent version that you can install a built Windows binary of igraph from the MRAN "Time Machine" server. Here's a direct link to the package, which you can install using:

u <- "https://mran.revolutionanalytics.com/snapshot/2015-05-01/bin/windows/contrib/3.3/igraph_0.7.1.zip"
install.packages(u, type = "win.binary", repos = NULL)
Thomas
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