Filter out graph vertices not in selected category

This function removes vertices that are not in the selected categories values list or sub-categories.

applyCategoricalFilters(
  g,
  selected_cat,
  selected_subcats,
  cat_prefix = "vosonCA_"
)

Arguments

g

igraph graph object.

selected_cat

Character string. Selected vertex category without prefix.

selected_subcats

List. Selected sub-category values to include in graph.

cat_prefix

Character string. Category attribute prefix format to match. Default is "vosonCA_".

Value

An igraph graph object.

Examples

if (FALSE) {
# return a graph containing only vertices that have the vertex category 
# attribute "vosonCA_Stance" value "liberal"
g <- loadPackageGraph("DividedTheyBlog_40Alist_release.graphml")

g <- applyCategoricalFilters(g, "Stance", c("liberal"))
}