Computes the probability of a set of leaves (chromosomal aberrations) in an oncogenetic tree model.

1 | ```
leafset.prob(leafset, y)
``` |

`leafset` |
a character vector of one or more leaves (chromosomal aberrations). |

`y` |
the tree model as obtained from MLtopology. |

The probability of exactly a given set of leaves (chromosomal aberrations) in the tree.

von Heydebreck A, Gunawan B, Fuezesi L. 2004. Maximum likelihood estimation of oncogenetic tree models. Biostatistics 5:545-556.

1 2 | ```
data(kidney)
leafset.prob(c("-3|-3p", "+5|+5q"), kidney$res)
``` |

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