Calculate frequency that pairs of nodes fall within the same module
Source:R/modules.R
      pairwise_membership.RdCalculate frequency that pairs of nodes fall within the same module
Arguments
- mod_samples
- Output from - modules_from_samples()
- ages
- Vector of network ages 
- edge_list
- Should output be an edge list? 
Value
An edge list with the frequency that each pair of nodes in the network is placed in the same module across network samples.
Examples
if (FALSE) { # \dontrun{
pairwise_membership(mod_samples, c(0))
} # }