k | Phenotypic | Genetic |
---|---|---|

2 | 44.8 | 36.7 |

3 | 61.5* | 47.6 |

4 | 71.8 | 61.9* |

5 | 76.0 | 69.3 |

6 | 83.4 | 79.2 |

7 | 85.2 | 83.3 |

Results for

*k*-means testing of phenotypic and genetic correlation matrices using the average of the Lloyd (1982) and Hartigan and Wong (1979) algorithms. Hypothesized cluster number is the*k*-value input into the heuristic. Numbers reported for the phenotypic and genetic matrices are the average of the two algorithms’ results for the ratio of the between-groups sum-of-squares to the total sum-of-squares. The point at which the curve was determined to have its “elbow” is indicated with an asterisk.