Skip to content
Vol. I · No. 251
Mon · 8 Jun
A Daily Lexicon of Trustworthy Data
The Lexicon

006·322

concept drift

/ˈkɒnsɛpt drɪft/ - n.

1 [colloq.] The thing being measured moved; the dashboard, helpfully, stayed green.Keep. Punchy.This is the problem.

Working definition

2. A shift in the underlying relationship a model predicts, so the same input now implies a different outcome.

Filed
See also
  • label driftDefinition drift, now with a confidence interval.
  • model driftThe model did not change. The world did, and no one was watching the gap.
  • model evaluationThe benchmark the model passes, chosen after seeing which benchmark it passes.
  • model monitoringA panel that shows the model is healthy by reporting every signal except whether it is still right.