getDegree: Determine the degree between two varieties
Description
Returns the degree (distance between unweighted edges) between two varieties, where an edge
represents a parent-child relationship
Usage
getDegree(v1, v2, ig, geneal)
Arguments
v1
the label of the first vertex of interest (in character string format)
v2
the label of the second vertex of interest (in character string format)
ig
the graph representation of the data genealogy (in igraph format)
geneal
the full genealogy (in data frame format)
References
Rutter L, VanderPlas S, Cook D, Graham MA (2019).
ggenealogy: An R Package for Visualizing Genealogical Data.
Journal of Statistical Software,
89(13), 1--31.
tools:::Rd_expr_doi("10.18637/jss.v089.i13")