arxivcs.SEcs.LG2026-07-11
Is Model Instability just Noise to be Tolerated or a Property that can be Managed?
Amirali Rayegan, Lunxiao Li, Tim Menzies
In software analytics, rerunning the same analysis twice often yields different models and conclusions. This reduces trust in the model and limits its use. We find that model instability is a major problem. Across 127 multi-objective SE optimization problems (12,700 test cases),…