Fills missing entries from incomplete distance matrix using the
additive or the ultrametric procedure (see reference for details).
Usage
additive(X)
ultrametric(X)
Value
a distance matrix.
Arguments
X
a distance matrix or an object of class "dist".
Author
Andrei Popescu
References
Makarenkov, V. and Lapointe, F.-J. (2004) A weighted least-squares
approach for inferring phylogenies from incomplete distance
matrices. Bioinformatics, 20, 2113--2121.