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AFCR

This procedure is aimed to reduce the dimensionality of a genotypic data. From genotypes data a two-way contingency table is constructed as follow : for each individual a value of 0, 1 or 2 is given to each allele of each locus. 0 if the allele is absent, 1 if present in heterozygous state and 2 if homozygous. This matrix is then provided to the ca() function of the ca Package for computation, summaries and visualization in two and three dimensions (Adapted from ca R-package by Nenadic and Greenacre. See http://www.jstatsoft.org/v20/i03/paper for details)



proposed by : Khalid Belkhir

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Based on Pise form generator version: 5.a (19 déc. 2014 12:23)