Get two-mode matrix for given date

Returns a two-mode affiliation matrix for a given date, and membership information

snap(node1, node2, ties, time)

Arguments

node1

Object that has information on the rows
node2

Object that has information on the columns
ties

Object that has affiliation information
time

Character string of a date

Value

A matrix of node1 by node2 for the given date

Examples

# NOT RUN {
library(gnevar)
snap(stat_actor, envr_agree, envr_membs, "1950-01-01")
# }