R/qtl is an extensible, interactive environment for mapping quantitative trait loci (QTLs) in experimental crosses. It is implemented as an add-on-package for the freely available and widely used statistical language/software R (see http://www.r-project.org). The user will benefit from the seamless integration of the QTL mapping software into a general statistical analysis program.
The current version of R/qtl includes facilities for estimating genetic maps, identifying genotyping errors, and performing single-QTL genome scans and two-QTL, two-dimensional genome scans, by interval mapping (with EM algorithm), Haley-Knott regression, and multiple imputation. All of this may be done in the presence of covariates (such as sex, age or treatment). The fit of higher-order QTL models, with sophisticated techniques for model comparisons and model search, will be incorporated soon.
URL: http://www.biostat.jhsph.edu/~kbroman/qtl/index.html
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| Architecture | Package Size | Installed Size | Files |
|---|---|---|---|
| alpha | 1,063.6 kB | 3324 kB | [list of files] |
| amd64 | 1,057.2 kB | 3308 kB | [list of files] |
| arm | 1,054.8 kB | 3284 kB | [list of files] |
| hppa | 1,058.9 kB | 3300 kB | [list of files] |
| i386 | 1,055.0 kB | 3288 kB | [list of files] |
| ia64 | 1,090.9 kB | 3456 kB | [list of files] |
| mips | 1,060.1 kB | 3320 kB | [list of files] |
| mipsel | 1,059.0 kB | 3320 kB | [list of files] |
| powerpc | 1,057.8 kB | 3300 kB | [list of files] |
| s390 | 1,055.8 kB | 3292 kB | [list of files] |
| sparc | 1,055.0 kB | 3292 kB | [list of files] |