def _test1():
data = "../Data/BPIC15_1_sorted_new.csv"
case_attr = "case"
act_attr = "event"
logfile = LogFile(data,
",",
0,
None,
None,
case_attr,
activity_attr=act_attr,
convert=False,
k=5)
logfile.keep_attributes(["case", "event", "role"])
logfile.convert2int()
# logfile.filter_case_length(5)
logfile.create_k_context()
train_log, test_log = logfile.splitTrainTest(70,
case=True,
method="train-test")
model = edbn_train(train_log)
acc = predict_next_event(model, test_log)
acc_update = predict_next_event_update(model, test_log)
print("ACC:", acc, acc_update)
def duration_test():
path = "../Data/Experiments_Duration/"
train_rates = [0, 5, 10, 25]
test_rates = [1, 5, 10, 25, 50, 100, 250, 500]
anoms_rates = []
for train_rate in train_rates:
for test_rate in test_rates:
anoms_rates.append((train_rate, test_rate))
for i in range(len(anoms_rates)):
print(anoms_rates[i])
scores = []
for run in range(RUNS):
print("Run %i" % run)
train_file = path + "%i_train_%i.csv" % (i, anoms_rates[i][0])
test_file = path + "%i_test_%i.csv" % (i, anoms_rates[i][1])
duration_generator.generate(10000, 10000, anoms_rates[i][0],
anoms_rates[i][1], train_file,
test_file)
train_data = LogFile(train_file, ",", 0, 1000000, "date", "trace")
train_data.remove_attributes(["Anomaly"])
test_data = LogFile(test_file,
",",
0,
1000000,
"date",
"trace",
values=train_data.values)
train_data.keep_attributes(
["event", "date", "trace", "process", "resource", "random"])
train_data.create_k_context()
train_data.add_duration_to_k_context()
bins = train_data.discretize("duration_0")
test_data.create_k_context()
test_data.add_duration_to_k_context()
test_data.discretize("duration_0", bins)
model = edbn.train(train_data)
edbn.test(test_data, path + "Output_%i_%i.csv" % anoms_rates[i],
model, "anomaly", "0")
output_file = path + "Output_%i_%i.csv" % anoms_rates[i]
output_roc = path + "roc_%i_%i.png" % anoms_rates[i]
output_prec = path + "prec_recall_%i_%i.png" % anoms_rates[i]
score = plt.get_roc_auc(output_file)
scores.append(plt.get_roc_auc(output_file))
print("Score = %f" % score)
with open(path + "results.txt", "a") as fout:
fout.write("Testing:\ntrain rate: %i\ntest rate: %i\n" %
(anoms_rates[i][0], anoms_rates[i][1]))
fout.write("Result: " + str(scores) + "\n")
fout.write("Mean: %f Median: %f\n" %
(np.mean(scores), np.median(scores)))
fout.write("Variance: %f\n\n" % np.var(scores))
def train_vars_and_test(model, alias, filename, event_emit_obj):
file = UPLOAD_FOLDER + "/" + alias + "/" + filename
folder = UPLOAD_FOLDER + "/" + alias + "/"
train_file = get_constructed_file(file)
test_file = get_constructed_file(file, type="test")
train_data = LogFile(train_file, ",", 0, 500000, None, "Case")
train_data.remove_attributes(["Anomaly", "time"])
event_emit_obj('score_resp', {'step': 2, "msg": "Data loaded."})
train_data.create_k_context()
event_emit_obj('score_resp', {
'step': 3,
"msg": "Build K-Context for data."
})
model_trained_on_data = edbn.train_seperate(train_data, model)
event_emit_obj('score_resp', {'step': 4, "msg": "Finished training data."})
test_data = LogFile(test_file,
",",
header=0,
rows=500000,
time_attr=None,
trace_attr="Case",
values=train_data.values)
edbn.test(test_data,
folder + "output.csv",
model_trained_on_data,
label="Anomaly",
normal_val="0")
event_emit_obj('score_resp', {'step': 5, "msg": "Finished testing"})
# # Plot the ROC curve based on the results
# plot.plot_single_roc_curve(experiment_folder + "output.csv")
event_emit_obj('score_resp', {'step': 6, "msg": "Preparing to score."})
scores = get_event_scores(test_data.data, model_trained_on_data)
r = list(scores.keys())
one = np.random.randint(0, len(r))
random_key = r[one]
print(random_key)
print(test_data.convert_int2string('Case', int(random_key)))
# results = plottable(scores)
event_emit_obj('score_resp', {'step': 7, "msg": "Finished scoring!"})
print("Finished scoring...")
# plot_single_scores(scores)
# r, ps = plot_pvalues(scores, 20)
return scores
def test_edbn(dataset_folder, model_folder, k):
from eDBN_Prediction import predict_next_event
model_file = os.path.join(model_folder, "model")
with open(model_file, "rb") as pickle_file:
model = pickle.load(pickle_file)
model.print_parents()
if k is None:
with open(os.path.join(model_folder, "k")) as finn:
k = int(finn.readline())
print("K=", k)
train_log = LogFile(dataset_folder + "train_log.csv",
",",
0,
None,
None,
"case",
activity_attr="event",
convert=True,
k=k)
test_log = LogFile(dataset_folder + "test_log.csv",
",",
0,
None,
None,
"case",
activity_attr="event",
convert=True,
k=k,
values=train_log.values)
test_log.create_k_context()
acc = predict_next_event(model, test_log)
with open(os.path.join(model_folder, "results_next_event.log"),
"a") as fout:
fout.write("Accuracy: (%s) %s\n" %
(time.strftime("%d-%m-%y %H:%M:%S", time.localtime()), acc))
def run_sdl():
from Methods.SDL.sdl import train, test
labeled_logfile = "../Data/Outcome_Prediction/BPIC15_1_f2.csv"
log = LogFile(labeled_logfile,
";",
0,
None,
"time_timestamp",
"Case_ID",
activity_attr="label",
convert=True,
k=10)
columns = [
"label", "Case_ID", "Activity", "monitoringResource", "question",
"org_resource", "Responsible_actor", "SUMleges"
]
log.keep_attributes(columns)
log.create_k_context()
train_log, test_log = log.splitTrainTest(80, True, "train-test")
train_log.ignoreHistoryAttributes.add("label")
test_log.ignoreHistoryAttributes.add("label")
model = train(train_log, 200, 42)
print(test(test_log, model))
results1 = []
results2 = []
for case in test_log.get_cases():
pass
def run_experiment(data, prefix_size, add_end_event, split_method, split_cases, train_percentage):
logfile = LogFile(data, ",", 0, None, None, "case",
activity_attr="event", convert=False, k=prefix_size)
if add_end_event:
logfile.add_end_events()
logfile.keep_attributes(["case", "event", "role"])
logfile.convert2int()
logfile.create_k_context()
train_log, test_log = logfile.splitTrainTest(train_percentage, case=split_cases, method=split_method)
with open("Baseline/results.txt", "a") as fout:
fout.write("Data: " + data)
fout.write("\nPrefix Size: " + str(prefix_size))
fout.write("\nEnd event: " + str(add_end_event))
fout.write("\nSplit method: " + split_method)
fout.write("\nSplit cases: " + str(split_cases))
fout.write("\nTrain percentage: " + str(train_percentage))
fout.write("\nDate: " + time.strftime("%d.%m.%y-%H.%M", time.localtime()))
fout.write("\n------------------------------------")
baseline_acc = test(test_log, train(train_log, epochs=100, early_stop=10))
fout.write("\nBaseline: " + str(baseline_acc))
fout.write("\n")
fout.write("====================================\n\n")
from RelatedMethods.Lin.model import create_model, predict_next
from Utils.LogFile import LogFile
def train(log, epochs=200, early_stop=42):
return create_model(log, "tmp", epochs, early_stop)
def test(log, model):
return predict_next(log, model)
if __name__ == "__main__":
data = "../../Data/BPIC15_5_sorted_new.csv"
case_attr = "case"
act_attr = "event"
logfile = LogFile(data, ",", 0, None, None, case_attr,
activity_attr=act_attr, convert=False, k=1)
logfile.convert2int()
logfile.create_k_context()
train_log, test_log = logfile.splitTrainTest(70, case=True, method="train-test")
# model = train(train_log, epochs=100, early_stop=5)
model = load_model("../../Predictions/tmp/model_001-4.51.h5", custom_objects={'Modulator': Modulator})
acc = test(test_log, model)
print(acc)
def train_edbn(data_folder, model_folder, k=None, next_event=True):
from EDBN.Execute import train
from Predictions.eDBN_Prediction import learn_duplicated_events, predict_next_event, predict_suffix
if k is None:
best_model = {}
for k in range(1, 6):
train_log = LogFile(data_folder + "train_log.csv",
",",
0,
None,
None,
"case",
activity_attr="event",
convert=False,
k=k)
train_train_log, train_test_log = train_log.splitTrainTest(80)
train_train_log.add_end_events()
train_train_log.convert2int()
train_train_log.create_k_context()
train_test_log.values = train_train_log.values
train_test_log.add_end_events()
train_test_log.convert2int()
train_test_log.create_k_context()
model = train(train_train_log)
# Train average number of duplicated events
model.duplicate_events = learn_duplicated_events(train_train_log)
if next_event:
acc = predict_next_event(model, train_test_log)
else:
acc = predict_suffix(model, train_test_log)
print("Testing k=", k, " | Validation acc:", acc)
if "Acc" not in best_model or best_model["Acc"] < acc:
best_model["Acc"] = acc
best_model["Model"] = model
best_model["k"] = k
print("Best k value:", best_model["k"], " | Validation acc of",
best_model["Acc"])
k = best_model["k"]
train_log = LogFile(data_folder + "train_log.csv",
",",
0,
None,
None,
"case",
activity_attr="event",
convert=False,
k=k)
train_log.add_end_events()
train_log.convert2int()
train_log.create_k_context()
model = train(train_log)
# Train average number of duplicated events
model.duplicate_events = learn_duplicated_events(train_log)
with open(os.path.join(model_folder, "model"), "wb") as pickle_file:
pickle.dump(model, pickle_file)
with open(os.path.join(model_folder, "k"), "w") as outfile:
outfile.write(str(k))
def run_edbn():
from eDBN_Prediction import get_probabilities
from Methods.EDBN.Train import train
labeled_logfile = "../Data/Outcome_Prediction/BPIC15_1_f2.csv"
log = LogFile(labeled_logfile,
";",
0,
None,
"time_timestamp",
"Case_ID",
activity_attr="label",
convert=True,
k=1)
columns = [
"label", "Case_ID", "time_timestamp", "Activity", "monitoringResource",
"question", "org_resource", "Responsible_actor", "SUMleges"
]
log.keep_attributes(columns)
log.create_k_context()
train_log, test_log = log.splitTrainTest(80, True, "train-test")
train_log.ignoreHistoryAttributes.add("label")
model = train(train_log)
results1 = []
results2 = []
for case in test_log.get_cases():
case_df = case[1]
case_probs = {1: 1, 2: 1}
ground = 0
for row in case_df.iterrows():
ground = getattr(row[1], "label")
parents = model.variables["label"].conditional_table.parents
value = []
for parent in parents:
value.append(getattr(row[1], parent.attr_name))
tuple_val = tuple(value)
activity_var = model.variables["label"]
probs, unknown = get_probabilities(activity_var, tuple_val,
parents)
case_probs[1] += probs.get(1, 0)
case_probs[2] += probs.get(2, 0)
# correct_prob = sum(case_probs) / len(case_probs)
if ground == 1:
if case_probs[1] > case_probs[2]:
results1.append(1)
else:
results1.append(0)
if ground == 2:
if case_probs[2] > case_probs[1]:
results2.append(1)
else:
results2.append(0)
print(len(results1), sum(results1) / len(results1))
print(len(results2), sum(results2) / len(results2))
def run_experiment(data,
prefix_size,
add_end_event,
split_method,
split_cases,
train_percentage,
filename="results.txt"):
data = DATA_FOLDER + data
logfile = LogFile(data,
",",
0,
None,
"completeTime",
"case",
activity_attr="event",
convert=False,
k=prefix_size)
if prefix_size is None:
prefix_size = max(logfile.data.groupby(logfile.trace).size())
if prefix_size > 40:
prefix_size = 40
logfile.k = prefix_size
if add_end_event:
logfile.add_end_events()
# logfile.keep_attributes(["case", "event", "role", "completeTime"])
logfile.keep_attributes(["case", "event", "role"])
logfile.convert2int()
logfile.create_k_context()
train_log, test_log = logfile.splitTrainTest(train_percentage,
case=split_cases,
method=split_method)
with open(filename, "a") as fout:
fout.write("Data: " + data)
fout.write("\nPrefix Size: " + str(prefix_size))
fout.write("\nEnd event: " + str(add_end_event))
fout.write("\nSplit method: " + split_method)
fout.write("\nSplit cases: " + str(split_cases))
fout.write("\nTrain percentage: " + str(train_percentage))
fout.write("\nDate: " +
time.strftime("%d.%m.%y-%H.%M", time.localtime()))
fout.write("\n------------------------------------\n")
processes = []
processes.append(
Process(target=execute_tax,
args=(train_log, test_log, filename),
name="Tax"))
processes.append(
Process(target=execute_taymouri,
args=(train_log, test_log, filename),
name="Taymouri"))
processes.append(
Process(target=execute_camargo,
args=(train_log, test_log, filename),
name="Camargo"))
processes.append(
Process(target=execute_lin,
args=(train_log, test_log, filename),
name="Lin"))
processes.append(
Process(target=execute_dimauro,
args=(train_log, test_log, filename),
name="Di Mauro"))
processes.append(
Process(target=execute_pasquadibisceglie,
args=(train_log, test_log, filename),
name="Pasquadibisceglie"))
processes.append(
Process(target=execute_edbn,
args=(train_log, test_log, filename),
name="EDBN"))
processes.append(
Process(target=execute_baseline,
args=(train_log, test_log, filename),
name="Baseline"))
# processes.append(Process(target=execute_new_method, args=(train_log, test_log, filename), name="New Method"))
print("Starting Processes")
for p in processes:
p.start()
print(p.name, "started")
print("All processes running")
for p in processes:
p.join()
print(p.name, "stopped")
with open(filename, "a") as fout:
fout.write("====================================\n\n")
print("All processes stopped")