Calculate Frontier Size
redist.calc.frontier.size(ordered_path)
path to ordered path created by redist.prep.enumpart
List, four objects
max
numeric, maximum frontier size
average
numeric, average frontier size
average_sq
numeric, average((frontier size)^2)
sequence
numeric vector, lists out all sizes for every frontier
if (FALSE) {
data(fl25)
adj <- redist.adjacency(fl25)
redist.prep.enumpart(adj, "unordered", "ordered")
redist.calc.frontier.size("ordered")
}