GRR: graphical representation of relationship errors.

Abecasis GR, Cherny SS, Cookson WO and Cardon LR

Bioinformatics (2001) 17:742-3

Summary: A graphical tool for verifying assumed relationships between individuals in genetic studies is described. GRR can detect many common errors using genotypes from many markers. Availability: GRR is available at http://bioinformatics.well.ox.ac.uk/GRR. Contact: goncalo@well.ox.ac.uk; lon@well.ox.ac.uk

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