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WOMBAT
- WOMBAT is a program to facilitate analyses fitting a linear, mixed model via restricted maximum likelihood (REML).
- It is assumed that traits analysed are continuous and have a multivariate normal distribution.
- WOMBAT is set up with quantitative genetic analyses in mind, but is readily applicable in other areas. Its main purpose is the estimation of (co)variance components and the resulting genetic parameters. It is particularly suited to analyses of moderately large to large data sets from livestock improvement programmes, fitting relatively simple models.
- Some more info in : 8WCGALP Software paper (PDF file, 2 pages)
- WOMBAT replaces DFREML which has been withdrawn from distribution at the end of 2005.
- Currently, WOMBAT is available
only as an executable program and only
by downloading from this site.
- Linux : Highly optimised executables, capable of analysing relatively large models and data sets, are available for 32-bit and 64-bit PCs.
- Windows : 32-bit versions are available, but are slower and restricted to smaller analyses than the Linux executables.
- Installation instructions are contained in the user manual (chapter 3).
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Download WOMBAT
- The User Manual :
WombatManual.pdf
(PDF file, A4 paper, > 50 pages)
Size : 2.12 MB, 5468 downloads (since June 1, 2007), last update: 20/11/09. -
The
Program, as a pre-compiled executable (gzipped tar
file).
Choose depending on your machine and environment :-
wombat64.tar.gz
Linux 64-bit version optimised for AMD Opteron; needs a recent Linux distro.
Size 2.70 MB), 1096 downloads (since June 1, 2007), last update: 20/11/09. -
wombat32.tar.gz
Linux 32-bit version , optimised for Pentium IV; good for recent Linux distros.
Size 2.83 MB, 1160 downloads (since June 1, 2007), last update: 20/11/09. -
wombat32lf95.tar.gz
Alternative Linux 32-bit version, again optimised for Pentium IV; does not need recent Linux distro, but is limited to analyses using less than 2 GB memory.
Size 1.03 MB, 749 downloads (since June 1, 2007), last update: 20/11/09. -
wombat32gen.tar.gz
`Generic' Linux 32-bit version, does not assume a Pentium IV processor, like wombat32lf95 otherwise; try this version if the others cause problems.
Size 1,022 KB, 795 downloads (since June 1, 2007), last update: 20/11/09. -
wombat32check.tar.gz
Linux 'debug' version - use for both 32- and 64-bit systems to compile a bug report (see Chapter 3.3 of the manual).
Size 2.39 MB, 585 downloads (since June 1, 2007), last update: 20/11/09. -
wombatwin.tar.gz
Windows 32-bit version for Cygwin
Size : 1.19 MB, 1881 downloads (since June 1, 2007), last update: 25/03/09.
New to 'cygwin' ? Click here for further details. -
wombatwin2.zip - new & little tested
Windows 32-bit version compiled under MinGW; like wombatwin.tar.gz (Compilation notes) but does not require Cygwin.
Size : 1.19 MB, 2670 downloads (since June 26, 2007), last update: 25/03/09.
-
wombat64.tar.gz
- The worked Examples :
examples.tar.gz (gzipped tar file)
Size : 3.74 MB, 2717 downloads (since June 1, 2007), last update: 16/05/07.
Note for Windows users: The files in the Example directories are Linux files. Linux and Windows differ in the `end-of-line' codes used. There appear to be no inconsistencies with the Cygwin environment. However, when using wombatwin2.zip `directly' under Windows, you may need to convert the files provided; look for a tool like like `unix2dos' !