unpack {gretel}

Unpacks a Path from a Dijkstra-Format Spanning Tree

Description

Used with all_opt_gpv and all_opt_ppv to unpack individual paths from the Dijkstra-format trees that those functions return.

Usage

unpack(tree, source, target)

Arguments

tree

a Dijkstra-format tree returned by all_opt_gpv or all_opt_ppv

source

an integer index corresponding to a node in sociomatrix

target

an integer index corresponding to a node in sociomatrix

Details

Returns NA if a path does not exist