R: Generic recursion down the tree.

recursionDown {PhylogeneticEM} | R Documentation

## Generic recursion down the tree.

### Description

`recursionDown` uses the function `updateDown` to compute daughters rows of matrix param.

### Usage

    recursionDown(phy, params, updateDown, ...)

### Arguments

`phy` | Input tree, in cladewise order.
`params` | Matrix of parameters to update by the recursion
`updateDown` | Function to be used for the update
`...` | Arguments to be used by the function updateDown

### Details

This function is to be used in other more complex function that need to update a quantity from the root to the tips of a tree. Note that the input tree must be in cladewise order.

### Value

Matrix of parameters updated.

[Package PhylogeneticEM version 1.1.0 Index]