add_node_df {DiagrammeR} | R Documentation |
With a graph object of class dgr_graph
add nodes from a
node data frame to that graph.
add_node_df(graph, node_df)
graph |
a graph object of class |
node_df |
a node data frame that is created using |
a graph object of class dgr_graph
.
## Not run: # Create an empty graph graph <- create_graph() # Create a node data frame nodes <- create_nodes(nodes = c("a", "b", "c", "d"), type = "letter", color = c("red", "green", "grey", "blue"), value = c(3.5, 2.6, 9.4, 2.7)) # Add the node data frame to the graph object to create a # graph with nodes graph <- add_node_df(graph = graph, node_df = nodes) get_node_df(graph) #> nodes type label color value #> 1 a letter a red 3.5 #> 2 b letter b green 2.6 #> 3 c letter c grey 9.4 #> 4 d letter d blue 2.7 # Create another node data frame nodes_2 <- create_nodes(nodes = c("e", "f", "g", "h"), type = "letter", color = c("white", "brown", "aqua", "pink"), value = c(1.6, 6.4, 0.8, 4.2)) # Add the second node data frame to the graph object to # add more nodes with attributes to the graph graph <- add_node_df(graph = graph, node_df = nodes_2) get_node_df(graph) #> nodes type label color value #> 1 a letter a red 3.5 #> 2 b letter b green 2.6 #> 3 c letter c grey 9.4 #> 4 d letter d blue 2.7 #> 5 e letter e white 1.6 #> 6 f letter f brown 6.4 #> 7 g letter g aqua 0.8 #> 8 h letter h pink 4.2 ## End(Not run)