GRM and GDA Syntax - Keyword Force

Optional keyword used in conjunction with the MBUILD options forward, backward, fstepwise, bstepwise, and bestsubset. For a specified integer value k, during the model building in computations, the program will force the first k effects specified on the DESIGN statement into every model that is being considered. The default value is 0 (zero). For more information on model building methods, see Model building in GRM in the Introductory Overview.