add_nodes_from_csv {DiagrammeR}R Documentation

Add nodes and attributes from a CSV file

Description

Add nodes and their attributes to an existing graph object from data in a CSV file.

Usage

add_nodes_from_csv(graph, csv_path, set_type = NULL, select_cols = NULL,
  drop_cols = NULL, rename_attrs = NULL, id_col = NULL, type_col = NULL,
  label_col = NULL)

Arguments

graph

a graph object of class dgr_graph that is created using create_graph.

csv_path

a path to a CSV file.

set_type

an optional string to apply a type attribute to all nodes created from the CSV records.

select_cols

an optional character vector for specifying which columns in the CSV file should be imported as node attributes.

drop_cols

an optional character vector for dropping columns from the incoming data.

rename_attrs

an optional character for renaming node attributes.

id_col

an option to apply a column of data in the CSV file as node ID values.

type_col

an option to apply a column of data in the CSV file as type attribute values.

label_col

an option to apply a column of data in the CSV file as label attribute values.

Value

a graph object of class dgr_graph.


[Package DiagrammeR version 0.8.2 Index]