njs {ape} | R Documentation |
Reconstructs a phylogenetic tree from a distance matrix with possibly missing values.
njs(X, fs = 15) bionjs(X, fs = 15)
X |
a distance matrix. |
fs |
argument s of the agglomerative criterion. |
Missing values represented by either NA
or any negative number.
Basically, the Q* criterion is applied to all the pairs of leaves, and the s highest scoring ones are chosen for further analysis by the agglomeration criteria that better handle handle missing distances (see references for details).
an object of class "phylo"
.
Andrei Popescu niteloserpopescu@gmail.com
http://www.biomedcentral.com/1471-2105/9/166