bipartite (version 2.19)

npartite: Computes indices for a masked-one-mode network

Description

Computes network indices for networks that are represented as stacks of bipartite networks (``npartite''), thus having many impossible links.

Usage

npartite(as.one.mode.web, index=c("connectance", "links per species", "mean degree"))

Value

A named list of indices.

Arguments

as.one.mode.web

a one-mode representation of a network; if this is based on several bipartite networks, i.e. species in levels NOT interacting within that level OR without interactions between separated levels (e.g. 1st and 3rd) then such forbidden links must be represented as NA! For bipartite networks this can easily be achieved using as.one.mode(., fill=NA), but obviously for bipartite networks this function is obsolete.

index

Vector of names of indices to be computed for the npartite network. Currently only connectance and links per species (=mean degree) are available.

Author

Carsten F. Dormann

See Also

as.one.mode.

Examples

image(aomw <- as.one.mode(Safariland, fill=NA))
npartite(aomw)
networklevel(Safariland, index=c("connectance", "links per species"))