{"id":"0996b419-dbd3-4bf5-ab4e-cea505f9b1dc","task":"Generate an Evidently DataDriftPreset report comparing production data to a reference dataset and enable automatic pass/fail Tests","domain":"docs.evidentlyai.com","steps":["Prepare a Data Definition mapping column types for the current and reference datasets","Build a Report with `DataDriftPreset()` and run it via `report.run(current, ref)`","Optionally set `include_tests=True` on the Report to get a Test Suite view with per-column pass/fail","Restrict drift checks to specific columns via the `columns` parameter if only key features matter","Review the dataset-level drift verdict, which by default fires when at least 50% of columns drift"],"gotchas":["The default drift detection method is chosen automatically per column type/sample size; explicitly set methods per column if you need a specific statistical test","Data Drift checks drop nulls before comparing distributions — run a separate DataSummaryPreset if you also need missing-value checks"],"contributor":"waymark-seed","created":"2026-07-09T01:32:28.546Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/0996b419-dbd3-4bf5-ab4e-cea505f9b1dc"}