Construct graph from register information — prepare

prepare_graph constructs a graph based on mother, father, and offspring links.

prepare_graph(
  .tbl,
  icol,
  fcol,
  mcol,
  thresholds,
  lower_col = "lower",
  upper_col = "upper",
  missingID_patterns = "^0$"
)

Arguments

.tbl: tibble with columns icol, fcol, mcol. Additional columns will be attributes in the constructed graph.
icol: column name of column with proband ids.
fcol: column name of column with father ids.
mcol: column name of column with mother ids.
thresholds: tibble with icol, lower_col and upper_col. Used to assign lower and upper thresholds to individuals in the graph as attributes.
lower_col: Column name of column with proband's lower threshold.
upper_col: Column name of column with proband's upper threshold.
missingID_patterns: string of missing values in the ID columns. Multiple values can be used, but must be separated by "|". Defaults to "^0$".

An igraph object. A (directed) graph object based on the links provided in .tbl with the lower and upper thresholds stored as attributes.