Parametric rate comparison Iterates through a phylogenetic tree to identify regions of rate variation using the parametric rate comparison test. Software Depends: partitions, stats, VGAM, MASS, ape, apTreeshape, geiger, laser James A. Fordyce <jfordyce@utk.edu> Premal Shah, Benjamin Fitzpatrick, James Fordyce GPL (>= 3) 2011-06-24 application/tgz http://CRAN.R-project.org/package=iteRates