Description Usage Arguments Value Author(s) Examples

Returns counts of the number of markers at which a pair of subjects shares 0, 1 or 2 alleles identical-by-state (IBS), for all possible pairs. Counts for a given pair exclude markers where either pair member is missing data.

1 | ```
countIBS(x)
``` |

`x` |
An object of type |

`IBS0` |
An upper triangular matrix whose (i,j)th element (i<j) is the count of non-missing markers where the ith and jth subjects share 0 alleles IBS. |

`IBS1` |
An upper triangular matrix whose (i,j)th element (i<j) is the count of non-missing markers where the ith and jth subjects share 1 allele IBS. |

`IBS2` |
An upper triangular matrix whose (i,j)th element (i<j) is the count of non-missing markers where the ith and jth subjects share 2 alleles IBS. |

Annick Joelle Nembot-Simo, Jinko Graham and Brad McNeney

1 2 |

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