layout_egogram function

Create layout for an egogram

This creates pairs of x and y coordinates for a egogram, accompanied by alter IDs for each coordinate pair.

layout_egogram(altID, venn_var, pie_var)

Arguments

• altID: Vector of alter IDs.
• venn_var: Vector of values representing alter groups corresponding with venns in an egogram.
• pie_var: Vector of values representing alter groups corresponding with pieces of pie in an egogram.

Returns

A dataframe with three columns: x, y and altID.