alifestd_mark_clade_subtended_duration_polars
- alifestd_mark_clade_subtended_duration_polars(phylogeny_df: DataFrame, *, mark_as: str = 'clade_subtended_duration') DataFrame
Add column clade_subtended_duration, containing the difference between each node’s ancestor’s origin_time and the maximum origin_time of its descendants.
The output column name can be changed via the
mark_asparameter.Ancestor origin time for root nodes will be 0.