| comb.indices | Construction of selection indices based on number of character grouping |
| gen.advance | Genetic Advance for PRE |
| gen.varcov | Genotypic Variance-Covariance Analysis |
| meanPerformance | Mean performance of phenotypic data |
| phen.varcov | Phenotypic Variance-Covariance Analysis |
| rcomb.indices | Remove trait or trait combination from possible trait combinations of possible Trait combinations |
| seldata | Selection Index DataSet |
| weight | Weight dataset |
| weight.mat | Convert dataframe to matrix |