This function prints pairwise correlation of centrality measures and histogram plot.
# S3 method for visualize.pair.correlation
print(x, y, scale = TRUE, file = NULL)
a vector containing a centrality measure
a vector containing another centrality measure
Whether the centrality values should be scaled or not(default=TRUE)
A character string naming the .pdf file to print into. If NULL the result would be printed to the exist directory.
The resulted plot of visualize_pair_correlation
function will be saved in the given directory.