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| ggroups-package | Pedigree and genetic groups |
| buildA | Relationship matrix *A* |
| gghead | Append genetic groups to the pedigree |
| inb | Inbreeding coefficient |
| mat2tab | Matrix to tabular |
| offspring | Descendants of an individual per generation |
| pedcheck | Basic pedigree checks |
| peddown | Downward pedigree extraction |
| pedup | Upward pedigree extraction |
| pruneped | Pedigree pruning |
| Qgpu | Vector *Qg* + *u* |
| qmat | Matrix *Q* |
| qmatL | Matrix *Q* for large pedigrees |
| qmatXL | Matrix *Q* for large pedigrees (parallel processing) |
| renum | Pedigree renumbering |
| rg | Genetic relationship coefficient |
| tab2mat | Tabular to matrix |
| tabA | Relationship matrix *A* in a tabular format |
| tabAinv | Inverse of the relationship matrix *A* in a tabular format |
| tabD | Dominance relationship matrix *D* in a tabular format |
| tabDinv | Inverse of the dominance relationship matrix *D* in a tabular format |