Displaying the Highest Cited Nodes — top

A simple function for keeping a number n of nodes with the highest chosen statistics value per communities and a number n of nodes with the highest chosen statistics value within the whole network. This is used to display only the most important nodes on your graph visualisation.

Usage

top_nodes(
  graph,
  ordering_column,
  top_n = 20,
  top_n_per_com = 1,
  biggest_community = FALSE,
  community_threshold = 0.01
)

Arguments

graph: A tidygraph object.
ordering_column: The name of the column with numeric values you want to use to select the most important nodes of your network. For instance, the column gathering the number of citations of each article of your dataframe.
top_n: The number of nodes with the highest chosen statistics value. For instance the number of highest cited nodes you want to display on the graph.
top_n_per_com: The number of highest cited nodes per community to display.
biggest_community: If true, you have the possibility to remove the smallest community, depending of the community_threshold you have set.
community_threshold: If biggest_community is true, the function only selects the nodes that belong to communities which represent at least x% of the total number of nodes. By default, the parameter is set to 1%.

Value

A data.table with a number n of nodes with the highest chosen statistics value per communities and a number n of nodes with the highest chosen statistics value within the whole network. Informations like coordinates (x,y) and community identifier are kept for using the data.table in a visualisation.