Further reading
For more on the CEM:
- Explanations Based on the Missing: Toward Contrastive Explanations with Pertinent Negatives, by Amit Dhurandhar, Pin-Yu Chen, Ronny Luss, Chun-Chen Tu, Paishun Ting, Karthikeyan Shanmugam, and Payel Das: https://arxiv.org/abs/1802.07623
- The AI Explainability 360 toolkit contains the definitive implementation of the contrastive explanations method, and can be found at http://aix360.mybluemix.net/