R/wgaim: An R package for efficient whole genome QTL analysis

Project Status: Active: The project has reached a stable, usable state and is being actively developed. minimal R version CRAN_Status_Badge packageversion Last-changedate R-CMD-check

Authors: Julian Taylor & Ari Verbyla

This is the public facing GitHub repository verison of the R package wgaim available on CRAN. This repository is updated more regularly than the CRAN version of the package and includes minor additions and small bug fixes. Please check the badges at the top of this README and the NEWS for the package.

R/wgaim is a whole genome average interval mapping R package that implements the original wgaim algorithm derived in Verbyla et al. (2007, 2012). The packages main QTL analysis function uses ASReml-R V4 for its core linear mixed modelling. To use full functionality of the package users will require a valid license for ASReml-R V4 and this can be obtained from https://vsni.co.uk/software/asreml-r/.

To install the package from GitHub you will need to do the following:

  1. Install the devtools package. Do this by invoking R and then typing
install.packages("devtools")
  1. Install wgaim using
devtools::install_github("DrJ001/wgaim")

Getting Started

For a quick but complete introduction of the functionality of the package please visit the vignette on the CRAN package page.

References

Verbyla, A.P., Cullis, B.R. & Thompson, R. (2007) The analysis of QTL by simultaneous use of the of the full linkage map. Theoretical and Applied Genetics, 116, 95-111.

Verbyla, A.P., Taylor, J.D. & Verbyla, K.L. (2012) RWGAIM: An efficient high dimensional random whole genome average (QTL) interval mapping approach. Genetics Research, 94, 291-306.

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