| init.incidence.matrix {PhylogeneticEM} | R Documentation |
init.incidence.matrix initialize the matrix updated in
update.incidence.matrix for the computation of the incidence matrix
in incidence.matrix.
init.incidence.matrix(phy)
phy |
Input tree. |
The initialized matrix has ntaxa column and nNodes rows. Each node represent its parental branch. A row corresponding to a tip i is initialized to a vector of zeros, with only entry i equal to one. (Branch ending at tip i is only in the i^th lineage)
Matrix with nNodes rows and ntaxa column.