Lesson 1Ambiguity in LabelingNavigating unclear boundaries in text categories.Start2 Micro-lessonsMicro lesson 1Conflicting Labels Under PressureMicro lesson 2Category Creep
Lesson 2Overfitting and DriftRecognizing when models adapt too closely or lose relevance.Start2 Micro-lessonsMicro lesson 1Overfitting to Recent DataMicro lesson 2Ignoring Drift Signals
Lesson 3Scaling and Edge CasesJudging rare failures and scaling effects in classification systems.Start2 Micro-lessonsMicro lesson 1Rare Class BlindnessMicro lesson 2Premature Optimization at Scale