Usage
add_edges_from_df(graph, df, from_col, from_attr, to_col, to_attr,
set_rel = NULL, select_cols = NULL, drop_cols = NULL,
rename_attrs = NULL, rel_col = NULL)
Arguments
graph
a graph object of class dgr_graph that is created
using create_graph.
df
the name of the data frame object.
from_col
the name of the data frame column from which edges originate.
from_attr
the mapping of from_col values to attributes of
the graph's nodes.
to_col
to_col the name of the data frame column to which edges
terminate.
to_attr
the mapping of to_col values to attributes of
the graph's nodes.
set_rel
an optional string to apply a rel attribute to
all edges created from the data frame's records.
select_cols
an optional character vector for specifying which
columns in the data frame should be imported as edge attributes.
drop_cols
an optional character vector for dropping columns
from the incoming data.
rename_attrs
an optional character vector for renaming edge
attributes.
rel_col
an option to apply a column of data in the data frame as
rel attribute values.