Source code for pm4py.algo.transformation.ocel.features.objects.object_general_descendants_graph

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from pm4py.objects.ocel.obj import OCEL
from typing import Optional, Dict, Any
from pm4py.algo.transformation.ocel.graphs import object_descendants_graph

[docs]def apply(ocel: OCEL, parameters: Optional[Dict[Any, Any]] = None): """ Adds for each object the number of descendants as feature Parameters ----------------- ocel OCEL parameters Parameters of the algorithm Returns ----------------- data Values of the added features feature_names Names of the added features """ if parameters is None: parameters = {} ordered_objects = list(ocel.objects[ocel.object_id_column]) g0 = object_descendants_graph.apply(ocel, parameters=parameters) data = [] feature_names = ["@@object_general_descendants_graph_ascendants", "@@object_general_descendants_graph_descendants"] ascendants = {} descendants = {} for obj in ordered_objects: ascendants[obj] = [] descendants[obj] = [] for el in g0: descendants[el[0]].append(el[1]) ascendants[el[1]].append(el[0]) for obj in ordered_objects: data.append([len(ascendants[obj]), len(descendants[obj])]) return data, feature_names