- 0 By R. Quinlan
- A Marquand
- Aapo Kyrola
- Aaron Scherzinger
- Abhik Shah
- Achim Tresch
- Achim Zeileis
- Achim Zeileis [Aut]
- Adam Kapelner
- Adam Pocock
- Adam White
- Adele Cutler
- Adele Cutler [Aut]
- Adria Gimenez
- Adrian Palacios
- Adrian Palacios Corella
- Advisor Nitesh V. Chawla
- Afshin Rostamizadeh
- Ajinkya Kale
- Akbar Waljee [Ctb] (Oob Auc For Random Forest)