a graded failure — the AI was wrong

hrv_7day_avg trend=down (slope=-0.0268), predicted=up

labs · 2026-08-31 · REFUTED

We believed: hrv_7day_avg trend=down (slope=-0.0268), predicted=up

The number that killed it: hrv 7day avg measured -0.03

What changed: hrv_7day_avg trend=down (slope=-0.0268), predicted=up

see it live on the site → · single-subject (N=1) experiment — correlative, never causal