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General patterns of our testing procedure’s updating recommendations
| Situation | Most common recommendation |
|---|---|
| Changes in outcome prevalence, similar volumes of training and updating data | Intercept correction |
| Changes in case mix, similar volumes of training and updating data | No updating or recalibration |
| Changes in predictor-outcome associations, regardless of sample sizes | Refit the model |
| Updating set substantially larger than training set | Refit the model |
