Box 1.
Glossary of Notation
| Symbol | Definition |
| L | Set of all measured loci |
| l | Number of loci in set of loci L |
| M | Subset of measured loci L |
| m | Number of loci in subset of loci M |
| GM | Set of m-locus genotypes defined by the subset of loci M |
| gM | Number of m-locus genotypes defined by the subset of loci M |
| K | Set of partitions of multilocus genotypes |
| k | Number of partitions in set K |
| n | Sample size |
| SSW | Sum of squared differences among individuals within partitions of set K |
| MSW | Mean squared differences among individuals within partitions of set K |
| SSK | Sum of squared differences among partition means for set K |
s
2
|
Bias-corrected estimate of the variance among partition means for set K |
| pv K | Proportion of phenotypic variability explained by differences among partition means for set K |
| CV | Appended to the above statistical symbols to indicate the statistic is based on repeated 10-fold cross validation |



2








