README

File Sturcture

• code/ provides the codes for the experiments
  • code/exact.py: the exact method in Section 3
  • code/exact_v.py: the exact method considering data characteristics in Section 3
  • code/approximate.py: the median approximation algorithm in Section 4
  • code/metrics.py: metrics for evaluation
  • code/main.py: the main evaluation entry
• data/ provides the datasets used in the experiments
  • energy, pm, syn_labdata are the ground truth datasets
  • dirty_xxx are the datasets with errors
• iotdb-udf/ provides source code of the user defined function in time series db iotdb
  • src provides source code in java
  • out provides jar package for regestering in iotdb

Example Invocation

requirement:

pandas = 1.1.x

example invocation:

cd ./code/
python main.py