R Core Team (R-core@R-project.org ) The R Project for Statistical Computing. Lijia Yu (yu@lijiayu.net / GitHub / Twitter) A master candidate majoring in Bioinformatics at Beijing Institute of Genomics. Karl Broman (kbroman@biostat.wisc.edu / GitHub / Twitter) Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison; research in statistical genetics; developer of R/qtl (