alifestd_mark_sister_asexual

alifestd_mark_sister_asexual(phylogeny_df: DataFrame, mutate: bool = False, *, mark_as: str = 'sister_id') → DataFrame

Add column sister, containing the id of each node’s sibling.

The output column name can be changed via the mark_as parameter.

Root nodes will be marked with their own id. Phylogeny must be strictly bifurcating.

Dataframe reindexing (e.g., df.index) may be applied.

Input dataframe is not mutated by this operation unless mutate set True. If mutate set True, operation does not occur in place; still use return value to get transformed phylogeny dataframe.