# `probCoalCounts`

Probability of going from "a" lineages to "b" lineages


## Description

Probability of going from "a" lineages to "b" lineages


## Usage

```r
probCoalCounts(tOver2N, a, b)
```


## Arguments

Argument      |Description
------------- |----------------
`tOver2N`     |     time (in generations) divided by haploid popsize
`a`     |     The starting number of lineages
`b`     |     The ending number of lineages (should be <= a)


## Value

Probability under coalescenct