ins; ssG's semi-supervised approach, on the other hand, adapts automatically.Availability: The ssGenotyping software is implemented in R. It is currently available for download (www.ebi.ac.uk/???bourgon/yeast_genotyping/ssG) and is being submitted to Bioconductor.Contact: ku.ca.ibe@nogruobSupplementary information: Supplementary data and a version including color figures are available at Bioinform