migraph (version 0.12.1)

grab: Grab various node or edge attributes from a network

Description

These functions operate to help extract certain attributes from given network data. They are also useful as helpers within other functions.

network_*() functions always relate to the overall graph or network, usually returning a scalar. node_*() and tie_*() always return vectors the same length as the number of nodes or edges in the network, respectively.

Usage

node_names(object)
node_mode(object)
node_attribute(object, attribute)
tie_attribute(object, attribute)
tie_weights(object)
tie_signs(object)
network_nodes(object)
network_ties(object)
network_dims(object)
network_node_attributes(object)
network_tie_attributes(object)

Arguments

object

An object of a migraph-consistent class:

• matrix (adjacency or incidence) from {base} R

• edgelist, a data frame from {base} R or tibble from {tibble}

• igraph, from the {igraph} package

• network, from the {network} package

• tbl_graph, from the {tidygraph} package

attribute

Character string naming an attribute in the object.

Functions

• node_names(): Extracts the names of the nodes in a network.

• node_mode(): Extracts the mode of the nodes in a network.

• node_attribute(): Extracts an attribute's values for the nodes in a network.

• tie_attribute(): Extracts an attribute's values for the edges in a network.

• tie_weights(): Extracts the weights of the edges in a network.

• tie_signs(): Extracts the signs of the edges in a network.

• network_nodes(): Returns the total number of nodes (of any mode) in a network.

• network_ties(): Returns the number of edges in a network.

• network_dims(): Returns the dimensions of a network in a vector as long as the number of modes in the network.

• network_node_attributes(): Returns a vector of nodal attributes in a network

• network_tie_attributes(): Returns a vector of edge attributes in a network

See Also

Other manipulations: add, as(), reformat, transform()

Examples

node_names(mpn_elite_usa_advice)
node_mode(mpn_elite_usa_advice)
node_attribute(mpn_elite_mex, "full_name")
tie_attribute(ison_algebra, "task_tie")
tie_weights(to_mode1(ison_southern_women))
tie_signs(ison_marvel_relationships)
network_nodes(ison_southern_women)
network_ties(ison_southern_women)
network_dims(ison_southern_women)
network_dims(to_mode1(ison_southern_women))
network_node_attributes(mpn_elite_mex)
network_tie_attributes(mpn_elite_mex)