1989
global pct
89.7
Film · 1989 · Films · 1980s
Black Rain
Two parallel scores from 29 z-qualifying reviewers and 29 raw-average reviewers. Cohort: Films · 1980s (3,141 peers).
89.7%
Z · Global
89.5%
Z · Cohort
Films · 1980s
88.9%
Raw · Global
90.4%
Raw · Cohort
Films · 1980s
Two scores · one item
Z-normalized · global
89.7Z-normalized · cohortFilms · 1980s
89.5Raw average · global
88.9Raw average · cohortFilms · 1980s
90.4Z-normalized corrects for reviewer bias (every reviewer re-centered onto their personal scale). Raw average uses simple mean across the broader pool including stddev=0 reviewers.
Where this title sits
Z-normalized percentile · 3,141 peers in Films · 1980s
| Mean reviewer z-score | +0.535 |
|---|---|
| DB1 raw-mean rating | 8.31 /10 |
| DB2 raw-mean rating | 8.31 /10 |
| 90% CI-floor (z) | +0.230 |
| Reviewers (DB1 / DB2) | 29 / 29 |
Summary
Plot summary pending — enrichment is running across all 52,376 titles in the catalog.
Pipeline applied to this title
The math, in this order
01
Z-score per reviewer
29 stddev>0 reviewers re-centered onto personal z-scale.
02
Aggregate
Mean z = +0.535. DB2 raw mean = 8.31.
03
CI-floor
90% CI-floor = +0.230. Thin samples penalized.
04
ECDF percentile
Global 89.7 / cohort 89.5. Z-track and raw-track ranked separately.
Cohort: Films · 1980s
