2024-01-12 16:44:33 +01:00
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%reset
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import pm4py
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import pandas as pd
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import numpy as np
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import matplotlib.pyplot as plt
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###### Load data and create event logs ######
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2024-01-25 17:21:18 +01:00
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dat = pd.read_csv("results/haum/event_logfiles_2024-01-18_09-58-52.csv", sep = ";")
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dat = dat[dat["date.start"] < "2020-03-13"]
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# --> only pre corona (before artworks were updated)
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event_log = pm4py.format_dataframe(dat, case_id='path', activity_key='event',
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timestamp_key='date.start')
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###### Descrptives of log data ######
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# Distribution of events
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event_log.event.value_counts()
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event_log.event.value_counts(normalize=True)
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# Number of paths
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len(event_log.path.unique())
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# Number of variants
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variants = pm4py.get_variants(event_log)
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len(variants)
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sorted_variants = dict(sorted(variants.items(), key=lambda item: item[1], reverse = True))
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{k: sorted_variants[k] for k in list(sorted_variants)[:20]}
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filtered_log = event_log[event_log["event"] != "move"]
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variants_no_move = pm4py.get_variants(filtered_log)
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len(variants_no_move)
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sorted_variants_no_move = dict(sorted(variants_no_move.items(), key=lambda item: item[1], reverse = True))
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{k: sorted_variants_no_move[k] for k in list(sorted_variants_no_move)[:20]}
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2024-01-12 16:44:33 +01:00
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###### Read "conformative" Petri Net ######
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basenet, initial_marking, final_marking = pm4py.read_pnml("results/conformative_petrinet_con.pnml")
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def eval_pm(data, net, initial_marking, final_marking):
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"""Caculate fitness, precision, generalizability, and simplicity for petri net"""
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fitness = pm4py.fitness_token_based_replay(data, net, initial_marking, final_marking)
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precisison = pm4py.precision_token_based_replay(data, net, initial_marking, final_marking)
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generalizability = pm4py.algo.evaluation.generalization.algorithm.apply(data, net,
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initial_marking, final_marking)
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simplicity = pm4py.algo.evaluation.simplicity.algorithm.apply(net)
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return [fitness['average_trace_fitness'], precisison, generalizability, simplicity]
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baseline_eval = eval_pm(event_log, basenet, initial_marking, final_marking)
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# TBR
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replayed_traces = pm4py.conformance_diagnostics_token_based_replay(event_log, basenet, initial_marking, final_marking)
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l1 = list()
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l2 = list()
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l3 = list()
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l4 = list()
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for i in range(len(replayed_traces)):
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l1.append(replayed_traces[i]["remaining_tokens"])
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l2.append(replayed_traces[i]["missing_tokens"])
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l3.append(replayed_traces[i]["reached_marking"])
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l4.append(replayed_traces[i]["transitions_with_problems"])
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set(l1)
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x1 = np.array(l1)
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index_broken = np.where(x1 == 1)[0].tolist()
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set(l3)
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l4.count([])
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[l3[i] for i in index_broken]
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[l4[i] for i in index_broken]
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broken_traces = [replayed_traces[i] for i in index_broken]
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event_log[event_log['@@case_index'] == index_broken].event
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event_log[event_log['@@case_index'] == index_broken].path.unique().tolist()
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event_log[event_log['@@case_index'] == index_broken].item.unique().tolist()
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event_log[event_log['@@case_index'] == index_broken]["fileId.start"].unique().tolist()
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# --> logging error in raw file
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2024-01-12 16:44:33 +01:00
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# Footprints
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from pm4py.algo.discovery.footprints import algorithm as footprints_discovery
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from pm4py.visualization.footprints import visualizer as fp_visualizer
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fp_log = footprints_discovery.apply(event_log, variant=footprints_discovery.Variants.ENTIRE_EVENT_LOG)
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fp_net = footprints_discovery.apply(basenet, initial_marking, final_marking)
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gviz = fp_visualizer.apply(fp_net, parameters={fp_visualizer.Variants.SINGLE.value.Parameters.FORMAT: "svg"})
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fp_visualizer.view(gviz)
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pm4py.vis.view_petri_net(basenet, initial_marking, final_marking)
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is_sound = pm4py.check_soundness(basenet, initial_marking, final_marking)
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baseline_eval.append(is_sound[0])
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baseline_eval.append(len(basenet.arcs))
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baseline_eval.append(len(basenet.transitions))
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baseline_eval.append(len(basenet.places))
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efg_graph = pm4py.discover_eventually_follows_graph(event_log)
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## Directly-follows graph
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dfg, start_activities, end_activities = pm4py.discover_dfg(event_log)
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pm4py.view_dfg(dfg, start_activities, end_activities)
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pm4py.save_vis_dfg(dfg, start_activities, end_activities, '../figures/processmaps/dfg_complete.png')
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2024-01-25 17:21:18 +01:00
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## Fitting different miners
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### Heuristics Miner
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h_net, im, fm = pm4py.discover_petri_net_heuristics(event_log)
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h_eval = eval_pm(event_log, h_net, im, fm)
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is_sound = pm4py.check_soundness(h_net, im, fm)
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h_eval.append(is_sound[0])
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h_eval.append(len(h_net.arcs))
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h_eval.append(len(h_net.transitions))
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h_eval.append(len(h_net.places))
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## Alpha Miner
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a_net, im, fm = pm4py.discover_petri_net_alpha(event_log)
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a_eval = eval_pm(event_log, a_net, im, fm)
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is_sound = pm4py.check_soundness(a_net, im, fm)
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a_eval.append(is_sound[0])
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a_eval.append(len(a_net.arcs))
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a_eval.append(len(a_net.transitions))
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a_eval.append(len(a_net.places))
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## Inductive Miner
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i_net, im, fm = pm4py.discover_petri_net_inductive(event_log)
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i_eval = eval_pm(event_log, i_net, im, fm)
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is_sound = pm4py.check_soundness(i_net, im, fm)
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i_eval.append(is_sound[0])
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i_eval.append(len(i_net.arcs))
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i_eval.append(len(i_net.transitions))
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i_eval.append(len(i_net.places))
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## ILP Miner
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ilp_net, im, fm = pm4py.discover_petri_net_ilp(event_log)
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ilp_eval = eval_pm(event_log, ilp_net, im, fm)
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is_sound = pm4py.check_soundness(ilp_net, im, fm)
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ilp_eval.append(is_sound[0])
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ilp_eval.append(len(ilp_net.arcs))
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ilp_eval.append(len(ilp_net.transitions))
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ilp_eval.append(len(ilp_net.places))
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## Export for all miners
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eval = pd.DataFrame(np.row_stack([baseline_eval, h_eval, a_eval, i_eval, ilp_eval]))
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eval.columns = ["fitness", "precision", "generalizability", "simplicity",
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"sound", "narcs", "ntrans", "nplaces"]
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eval.index = ["conformative", "heuristics", "alpha", "inductive", "ilp"]
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eval
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eval.to_csv("results/eval_all-miners_complete.csv", sep=" ")
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## Without broken trace
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event_log_clean = event_log[event_log['@@case_index'] != index_broken[0]]
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h_net, h_im, h_fm = pm4py.discover_petri_net_heuristics(event_log_clean)
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a_net, a_im, a_fm = pm4py.discover_petri_net_alpha(event_log_clean)
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i_net, i_im, i_fm = pm4py.discover_petri_net_inductive(event_log_clean)
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ilp_net, ilp_im, ilp_fm = pm4py.discover_petri_net_ilp(event_log_clean)
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baseline_eval = eval_pm(event_log_clean, basenet, initial_marking, final_marking)
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is_sound = pm4py.check_soundness(basenet, initial_marking, final_marking)
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baseline_eval.append(is_sound[0])
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baseline_eval.append(len(basenet.arcs))
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baseline_eval.append(len(basenet.transitions))
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baseline_eval.append(len(basenet.places))
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h_eval = eval_pm(event_log_clean, h_net, h_im, h_fm)
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is_sound = pm4py.check_soundness(h_net, h_im, h_fm)
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h_eval.append(is_sound[0])
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h_eval.append(len(h_net.arcs))
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h_eval.append(len(h_net.transitions))
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h_eval.append(len(h_net.places))
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a_eval = eval_pm(event_log_clean, a_net, a_im, a_fm)
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is_sound = pm4py.check_soundness(a_net, a_im, a_fm)
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a_eval.append(is_sound[0])
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a_eval.append(len(a_net.arcs))
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a_eval.append(len(a_net.transitions))
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a_eval.append(len(a_net.places))
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i_eval = eval_pm(event_log_clean, i_net, i_im, i_fm)
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is_sound = pm4py.check_soundness(i_net, i_im, i_fm)
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i_eval.append(is_sound[0])
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i_eval.append(len(i_net.arcs))
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i_eval.append(len(i_net.transitions))
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i_eval.append(len(i_net.places))
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ilp_eval = eval_pm(event_log_clean, ilp_net, ilp_im, ilp_fm)
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is_sound = pm4py.check_soundness(ilp_net, ilp_im, ilp_fm)
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ilp_eval.append(is_sound[0])
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ilp_eval.append(len(ilp_net.arcs))
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ilp_eval.append(len(ilp_net.transitions))
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ilp_eval.append(len(ilp_net.places))
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eval = pd.DataFrame(np.row_stack([baseline_eval, h_eval, a_eval, i_eval, ilp_eval]))
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eval.columns = ["fitness", "precision", "generalizability", "simplicity",
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"sound", "narcs", "ntrans", "nplaces"]
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eval.index = ["conformative", "heuristics", "alpha", "inductive", "ilp"]
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eval
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eval.to_csv("results/eval_all-miners_clean.csv", sep=" ")
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# Export petri nets
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pm4py.vis.save_vis_petri_net(h_net, h_im, h_fm, "results/processmaps/petrinet_heuristics_clean.png")
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pm4py.vis.save_vis_petri_net(a_net, a_im, a_fm, "results/processmaps/petrinet_alpha_clean.png")
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pm4py.vis.save_vis_petri_net(i_net, i_im, i_fm, "results/processmaps/petrinet_inductive_clean.png")
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pm4py.vis.save_vis_petri_net(ilp_net, ilp_im, ilp_fm, "results/processmaps/petrinet_ilp_clean.png")
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pm4py.vis.save_vis_petri_net(basenet, initial_marking, final_marking, "results/processmaps/petrinet_conformative.png")
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# convert to BPMN
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base_bpmn = pm4py.convert.convert_to_bpmn(basenet, initial_marking, final_marking)
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pm4py.vis.save_vis_bpmn(base_bpmn, "results/processmaps/bpmn_conformative.png")
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i_bpmn = pm4py.convert.convert_to_bpmn(i_net, i_im, i_fm)
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pm4py.vis.save_vis_bpmn(i_bpmn, "results/processmaps/bpmn_inductive_clean.png")
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ilp_bpmn = pm4py.convert.convert_to_bpmn(ilp_net, ilp_im, ilp_fm)
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pm4py.vis.save_vis_bpmn(ilp_bpmn, "results/processmaps/bpmn_ilp_clean.png")
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a_bpmn = pm4py.convert.convert_to_bpmn(a_net, a_im, a_fm)
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pm4py.vis.save_vis_bpmn(a_bpmn, "results/processmaps/bpmn_alpha_clean.png")
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h_bpmn = pm4py.convert.convert_to_bpmn(h_net, h_im, h_fm)
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pm4py.vis.save_vis_bpmn(h_bpmn, "results/processmaps/bpmn_heuristics_clean.png")
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###### Process Mining - individual artworks ######
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def pm_artworks(miner):
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retval1 = np.empty((len(event_log["item"].unique()), 4))
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retval2 = np.empty((len(event_log["item"].unique()), 4))
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for i in range(len(event_log["item"].unique())):
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artwork = event_log["item"].unique()[i]
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subdata = pm4py.filter_event_attribute_values(event_log, "item",
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[artwork],
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level="case", retain=True)
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if miner == "heuristics":
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subnet, subim, subfm = pm4py.discover_petri_net_heuristics(subdata)
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elif miner == "inductive":
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subnet, subim, subfm = pm4py.discover_petri_net_inductive(subdata)
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elif miner == "alpha":
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subnet, subim, subfm = pm4py.discover_petri_net_alpha(subdata)
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elif miner == "ilp":
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subnet, subim, subfm = pm4py.discover_petri_net_ilp(subdata)
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#pm4py.save_vis_petri_net(subnet, subim, subfm,
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2024-01-25 17:21:18 +01:00
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# "results/processmaps/artworks/petrinet_" + miner + "_" + str(artwork).zfill(3) + ".png")
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retval1[i] = eval_pm(subdata, basenet, initial_marking, final_marking)
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2024-01-12 16:44:33 +01:00
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retval2[i] = eval_pm(subdata, subnet, subim, subfm)
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retval1 = pd.DataFrame(retval1)
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retval1.columns = ["fitness", "precision", "generalizability", "simplicity"]
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2024-01-25 17:21:18 +01:00
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retval1.index = event_log["item"].unique()
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2024-01-12 16:44:33 +01:00
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retval1.insert(0, "nettype", "alldata")
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retval2 = pd.DataFrame(retval2)
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retval2.columns = ["fitness", "precision", "generalizability", "simplicity"]
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2024-01-25 17:21:18 +01:00
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retval2.index = event_log["item"].unique()
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2024-01-12 16:44:33 +01:00
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retval2.insert(0, "nettype", "subdata")
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return pd.concat([retval1, retval2])
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for miner in ["heuristics", "inductive", "alpha", "ilp"]:
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eval_art = pm_artworks(miner = miner)
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eval_art.to_csv("results/eval_artworks_" + miner + ".csv", sep=";")
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