Model functions

qtl() function

qtl(f,r)
calculates an expected marker state from flanking marker information at position r of the linkage group f. r should be given in Morgans.

The position r may be specified with the internal $TP n internal value which is set in a QTL analysis when PREDICT ChrA !only ChrA !TURN n detects a turning point in the profile. n is a single character and values of n between 10 and 26 must be specified using the corresponding letter J-Z.

grr() function

grr(f,r)
fits covariable r from the .grr file as a covariate in the model.