https://example.com/en/ Notes by Sergey Vasilyev, Senior ML Engineer, on machine learning, MLOps and applied AI in the iGaming industry. en https://example.com/en/post/player-churn-baseline/ https://example.com/en/post/player-churn-baseline/ Mon, 19 Oct 2026 00:00:00 GMT How to define churn, which features to start with, and why calibrated probabilities matter more than a high AUC.