'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
[docs]def get_sorted_start_activities_list(start_activities):
"""
Gets sorted start attributes list
Parameters
----------
start_activities
Dictionary of start attributes associated with their count
Returns
----------
listact
Sorted start attributes list
"""
listact = []
for sa in start_activities:
listact.append([sa, start_activities[sa]])
listact = sorted(listact, key=lambda x: x[1], reverse=True)
return listact
[docs]def get_start_activities_threshold(salist, decreasing_factor):
"""
Get start attributes cutting threshold
Parameters
----------
salist
Sorted start attributes list
decreasing_factor
Decreasing factor of the algorithm
Returns
---------
threshold
Start attributes cutting threshold
"""
threshold = salist[0][1]
for i in range(1, len(salist)):
value = salist[i][1]
if value > threshold * decreasing_factor:
threshold = value
return threshold