Which chart when?
Choose appropriate chart types for common model monitoring questions.
Control chart When should you use a control chart in model monitoring? Use it for a recurring metric where you need to distinguish ordinary variation from unusual movement over time. Good candidates: null rate, override rate, calibration error, decision volume, latency, and failed inference rate. Distribution Line chart or histogram for score movement? Use line charts for trend; use distributions when the shape matters. Slice view The overall metric is green, so a slice heatmap is noise. A stakeholder resists adding slice views. Your line The slice heatmap is how we catch concentrated harm that the average hides. It only…
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