additive {ape} | R Documentation

## Incomplete Distance Matrix Filling

### Description

Fills missing entries from incomplete distance matrix using the additive or the ultrametric procedure (see reference for details).

### Usage

    additive(X)
    ultrametric(X)

### Arguments

`X` | a distance matrix or an object of class `"dist"`.

### Value

a distance matrix.

### Author(s)

Andrei Popescu niteloserpopescu@gmail.com

### References

Makarenkov, V. and Lapointe, F.-J. (2004) A weighted least-squares approach for inferring phylogenies from incomplete distance matrices. Bioinformatics, 20, 2113–2121.

[Package ape version 5.0 Index]