Create a graph that describes network of package functions

Create a DiagrammeR graph that contains nodes of the type function and edges that have the relationship called_in.

function_graph_all(pkgattrs_tbl, pkg_name = NULL)

Arguments

pkgattrs_tbl	A tibble object that contains package function information. This is created by the pkgattrs() function.
pkg_name	An optional package name for filtering the tibble provided to pkgattrs_tbl, which is useful if that tibble describes multiple packages.