Running R2WinBUGS on a Mac Running OSX

January 18, 2012
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(This article was first published on i'm a chordata! urochordata! » R, and kindly contributed to R-bloggers)

I have long used JAGS to do all of my Bayesian work on my mac. Early on, I tried to figure out how to install WinBUGS and OpenBUGS and their accompanying R libraries on my mac, but, to no avail. I just had too hard of a time getting them running and gave up.

But, it would seem that some things have changed with Wine lately, and it is now possible to not only get WinBUGS itself running nicely on a mac, but to also get R2WinBUGS to run as well. Or at least, so I have discovered after an absolutely heroic (if I do say so myself) effort to get it all running (this was to help out some students I’m teaching who wanted to be able to do the same exercises as their windows colleagues). So, I present the steps that I’ve worked out. I do not promise this will work for everyone – and in fact, if it fails at some point, I want to know about it so that perhaps we can fix it so that more people can get WinBUGS up and running.

Or just run JAGS (step 1} install the latest version, step 2} install rjags in R. Modify your code slightly. Run it. Be happy.)

So, this tutorial works to get the whole WinBUGS shebang running. Note that it hinges on installing the latest development version of Wine, not the stable version (at least as of 1/17/12). If you have previously installed wine using macports, good on you. Now uninstall it with “sudo port uninstall wine”. Otherwise, you will not be able to do this.

Away we go!

1) Have the free version of XCode Installed from http://developer.apple.com/xcode/. You may have to sign up for an apple developer account. Whee! You’re a developer now!

2) Have X11 Installed from your system install disc.

3) Install http://www.macports.org/install.php and install from the package installer. See also here for more information. Afterwards, open the terminal and type

echo export PATH=/opt/local/bin:/opt/local/sbin:\$PATH$'\n'export MANPATH=/opt/local/man:\$MANPATH | sudo tee -a /etc/profile

You will be asked for your password. Don’t worry that it doesn’t display anything as you type. Press enter when you’ve finished typing your password.

4) Open your terminal and type

sudo port install wine-devel

5) Go have a cup of coffe, check facebook, or whatever you do while the install chugs away.

6) Download WinBUGS 1.4.x from here. Also download the immortality key and the patch.

7) Open your terminal, and type

cd Downloads
wine WinBUGS14.exe

Note, if you have changed your download directory, you will need to type in the path to the directory where you download files now (e.g., Desktop).

8 ) Follow the instructions to install wine into c:\Program Files.

9) Run WinBUGS via the terminal as follows:

wine ~/.wine/drive_c/Program\ Files/WinBUGS14

10) After first running wine, install the immortality key. Close wine. Open it again as above and install the patch. Close it. Open it again and wine away!

11) To now use R2WinBugs fire up R and install the R2WinBUGS library.

12) R2WinBugs should now work normally with one exception. When you use the bugs function, you will need to supply the following additional argument:

bugs.directory='/Users/YOURUSERNAME/.wine/drive_c/Program Files/WinBUGS14'

filling in your username where indicated. If you don’t know it, in the terminal type

ls /Users

No, ~ will not work for those of you used to it. Don’t ask me why.

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