Check that a node attribute exists for a graph — check_gr • wext

If the node attribute exists, TRUE is returned silently; otherwise the function throws an informative error.

check_gr(gr, node_attr)

Arguments

gr	a tidygraph graph object
node_attr	name of node attribute to check for

Value

(silently) TRUE or throws an error with the message: "<node_attr> not a node attribute in the graph"

Examples

gr <- tidygraph::create_ring(5)
gr <- tidygraph::mutate(gr, new_attr = LETTERS[1:5])
check_result <- check_gr(gr, "new_attr")
print(check_result)
#> [1] TRUE