set_df_as_node_attr {DiagrammeR} | R Documentation |
From a graph object of class
dgr_graph
, bind a data frame as a node
attribute property for one given graph node. The
data frames are stored in list columns within
a df_tbl
object. A df_id
value is
generated and serves as a pointer to the table
row that contains the ingested data frame.
set_df_as_node_attr(graph, node, df)
graph |
a graph object of class
|
node |
the node ID to which the data frame will be bound as an attribute. |
df |
the data frame to be bound to the node as an attribute. |
a graph object of class dgr_graph
.
# Create a node data frame (ndf) ndf <- create_node_df( n = 4, type = "basic", label = TRUE, value = c(3.5, 2.6, 9.4, 2.7)) # Create an edge data frame (edf) edf <- create_edge_df( from = c(1, 2, 3), to = c(4, 3, 1), rel = "leading_to") # Create a graph graph <- create_graph( nodes_df = ndf, edges_df = edf) # Create a simple data frame to add as # a node attribute df <- data.frame( a = c("one", "two", "three"), b = c(1, 2, 3), stringsAsFactors = FALSE) # Bind the data frame as a node attribute # of node `1` graph <- graph %>% set_df_as_node_attr( node = 1, df = df) # Create another data frame to add as # a node attribute df_2 <- data.frame( c = c("four", "five", "six"), d = c(4, 5, 6), stringsAsFactors = FALSE) # Bind the data frame as a node attribute # of node `2` graph <- graph %>% set_df_as_node_attr( node = 2, df = df_2)