Preprocess Edges DataFrame Ensures required edge attributes have default values when not provided.

Usage

preprocess_edges_df(edges_df)

Arguments

edges_df

A data frame containing edge information Expected columns include:

from: Node ID of the source node
to: Node ID of the target node
curvature: Curvature flag (0 for straight lines, 1 for curved)
gap: Optional gap offset from node borders (default: 0)
pvalue: Statistical significance value for styling
est: Effect estimate displayed on edge labels
ci.lower: Lower bound of confidence interval
ci.upper: Upper bound of confidence interval

Value

A data frame identical to the input, but with missing optional columns populated with sensible defaults. This ensures downstream plotting functions receive complete edge data.

Details

The following defaults are applied:

label_position: Default 0.5 centers text on the edge.