Nelson, R. M.Nettelblad, C.Pettersson, M. E.Shen, X.Crooks, L.Besnier, F.Alvarez-Castro, J. M.Ronnegard, L.Ek, W.Sheng, Z.Kierczak, M.Holmgren, S.Carlborg, O.2015-11-042015-11-042013-12-09MAPfastR: Quantitative Trait Loci Mapping in Outbred Line Crosses Ronald M. Nelson, Carl Nettelblad, Mats E. Pettersson, Xia Shen, Lucy Crooks, Francois Besnier, José M. Álvarez-Castro, Lars Rönnegård, Weronica Ek, Zheya Sheng, Marcin Kierczak, Sverker Holmgren, and Örjan Carlborg G3 December 2013 3:2147-2149; Early Online October 11, 2013, doi:10.1534/g3.113.008623http://hdl.handle.net/10400.7/467MAPfastR is a software package developed to analyze quantitative trait loci data from inbred and outbred line-crosses. The package includes a number of modules for fast and accurate quantitative trait loci analyses. It has been developed in the R language for fast and comprehensive analyses of large datasets. MAPfastR is freely available at: http://www.computationalgenetics.se/?page_id=7.engQTL mappinginbred line crossoutbred line crossquantitative geneticsjournal article10.1534/g3.113.008623