bipartite

Calculates the (normalised) mean number of checkerboard combinations (C-score) in a matrix

Specialisation of a bipartite web.

Normalised degree, betweenness and closeness centrality

Calculates the node overlap and separation according to Strona \& Veech (2015)

Potential for Apparent Competition

Paired Differences Index

A pollination web from Argentina

Calculates the variance-ratio as suggested by Schluter (1984)

Reshape a webarray to a web X link matrix

Conversion of a network matrix

Ensures that networks conform to the tnet stardards

Individuals caught in a pollination web in boreal Canada.

Calculate network dissimilarity (beta diversity) and its components

Betweenness centrality in a weighted network

Individuals observed in a flower-visitation network of oil-collecting bees in a Brazilian steppe.

Analysis of bipartite ecological webs

Closeness centrality in a weighted network

Redefined clustering coefficient for two-mode networks

Detects compartments

computeModules

Computes c and z for network modules

Generates matrix with same marginal totals for non-negative decimal values

Fits functions to cumulative degree distributions of both trophic levels of a network.

Calculates standardised specialisation index d' (d prime) for each species in the lower trophic level of a bipartite network.

Calculates discrepancy of a matrix

Distance in a weighted network

No. of visits in a pollination web of arctic-alpine Sweden

Deletes empty rows and columns from a matrix.

Computes end-point degrees for a bipartite network

Simulates extinction of a species from a bipartite network

Calculates the functional complementarity for the rows of a web

Converts a table of observations into a network matrix

Generate a random bipartite web

Analysis of bipartite webs at the level of each of the two levels (groups) of the network

A pollination network from the Snowy Mountains of New South Wales, Australia

Flower visitation network

No. of individuals caught in a pollination web of a Japanese beech forest

A pollination network from Northern Ellesmere Island, Canada

Indices of a bipartite network at the link level

listModuleInformation

Flower visitation network from a meadow near Bristol, UK

Generate simulated network according to a given probability matrix

Class "moduleWeb"

Functions "LPA_wb_plus" and "DIRT_LPA_wb_plus"

Flower visitation network from Melville Island, Northwest Territories, Canada

A spring flower visitation network from North Carolina, USA

Computes nestedness of a matrix as WNODA (and NODF and WNODF)

Calculates any of several measures of nestedness

Calculates the per-species contribution to nestedness (z-score relative to null model)

Calculates nestedness temperature of presence/absence matrices

Calculates the rank of a species in a matrix sorted for maximum nestedness

Analysis of bipartite webs at the level of the entire network

Calculates the node-based specialisation index

Computes indices for a masked-one-mode network

Null model based on fitted marginal distribution

Compares observed pattern to random webs.

Generates null models for network analysis

A flower visitation network from the Azores

Another flower visitation network from the Azores

A pollination network from the Canadian Rockies

ollerton2003

plotModuleWeb

Function to draw a circular plot to visualise potential apparent competition (PAC)

Plot a matrix organised by topology

Visualize a bipartite interaction matrix (e.g. a foodweb)

Visualize a tripartite interaction matrix (e.g. a tritrophic foodweb)

printoutModuleInformation

Projecting binary and weighted two-mode networks onto weighted one-mode networks.

Generates null models for network analysis by considering external abundances

Robustness to species extinctions

A flower visitation network from Urbana, IL, USA

Secondary extinctions in bipartite networks

Shuffle web entries

Slope of extinction simulation

A flower visitation network from a peat bog in Ottawa, Canada

Organise matrix by topology

Function to sort bipartite webs

Calculate various indices for network properties at the species level

Computes species strength according to either of two definitions

Creates null model for bipartite networks

Symmetrise_w

Exports a tnet network to an igraph object

Calculates the number of identical co-presences and co-absences for species-on-islands

A pollination network.

A pollination network.

A pollination network.

A pollination network.

A pollination network.

Null model with constrained connectance and moderately constrained marginal totals

A pollination network.

A pollination network.

Examples for some analyses

Log of bipartite versions and changes

Plotting function to visualize a bipartite food web

Conversion of a network matrix into a (weighted) edge list

Puts two or more webs into one array of webs

Weighted-Interaction Nestedness Estimator