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BMC Res Notes. 2011 May 26;4:154. doi: 10.1186/1756-0500-4-154.

qtl.outbred: Interfacing outbred line cross data with the R/qtl mapping software.

Author information

1
Department of Breeding and Genetics, Swedish University of Agricultural Sciences, Box 7023, SE-75007 Uppsala, Sweden. Ronnie.Nelson@slu.se.

Abstract

BACKGROUND:

qtl.outbred is an extendible interface in the statistical environment, R, for combining quantitative trait loci (QTL) mapping tools. It is built as an umbrella package that enables outbred genotype probabilities to be calculated and/or imported into the software package R/qtl.

FINDINGS:

Using qtl.outbred, the genotype probabilities from outbred line cross data can be calculated by interfacing with a new and efficient algorithm developed for analyzing arbitrarily large datasets (included in the package) or imported from other sources such as the web-based tool, GridQTL.

CONCLUSION:

qtl.outbred will improve the speed for calculating probabilities and the ability to analyse large future datasets. This package enables the user to analyse outbred line cross data accurately, but with similar effort than inbred line cross data.

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