github.com/eth-easl/loader@v0.0.0-20230908084258-8a37e1d94279/pkg/metric/run_adf.py (about) 1 # MIT License 2 # 3 # Copyright (c) 2023 EASL and the vHive community 4 # 5 # Permission is hereby granted, free of charge, to any person obtaining a copy 6 # of this software and associated documentation files (the "Software"), to deal 7 # in the Software without restriction, including without limitation the rights 8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 # copies of the Software, and to permit persons to whom the Software is 10 # furnished to do so, subject to the following conditions: 11 # 12 # The above copyright notice and this permission notice shall be included in all 13 # copies or substantial portions of the Software. 14 # 15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 # SOFTWARE. 22 23 import sys 24 import json 25 import numpy as np 26 from statsmodels.tsa.stattools import adfuller 27 28 import warnings 29 warnings.filterwarnings("ignore") 30 31 if __name__ == "__main__": 32 latencies = list(map(float, sys.argv[1].strip().split('@'))) 33 try: 34 res = adfuller(latencies, autolag='AIC') 35 except ValueError as e: 36 print(json.dumps("{}")) 37 exit() 38 39 40 out = { 41 "statistic": res[0] if not np.isinf(res[0]) else 99999, 42 "pvalue": res[1], 43 "usedlag": res[2], 44 "nobs": res[3], 45 "critical_vals": res[4], 46 "icbest": res[5] if not np.isinf(res[5]) else -99999, 47 } 48 49 print(json.dumps(out))