Table 2 Model updating procedures described in this paper. The performance guarantees from these methods require the stream of data to be IID with respect to the target population. Note that in general, online learning methods may provide only weak performance guarantees or none at all.

From: Clinical artificial intelligence quality improvement: towards continual monitoring and updating of AI algorithms in healthcare

Method(s)

Update frequency

Complexity of model update

Performance guarantees

One-time model recalibration (e.g. Platt scaling, isotonic regression, temperature scaling)

Low

Low

Strong

One-time model revision

Low

Medium

Strong

One-time model refitting

Low

High

Strong

Online hypothesis testing for approving proposed modifications

Medium

High

Strong

Online parametric model recalibration/revision

High

Low/Medium

Medium