
1999
global pct
85.4
Film · 1999 · Films · 1990s
Butterfly
Two parallel scores from 29 z-qualifying reviewers and 30 raw-average reviewers. Cohort: Films · 1990s (4,082 peers).
85.4%
Z · Global
86.8%
Z · Cohort
Films · 1990s
91.7%
Raw · Global
93.8%
Raw · Cohort
Films · 1990s
Two scores · one item
Z-normalized · global
85.4Z-normalized · cohortFilms · 1990s
86.8Raw average · global
91.7Raw average · cohortFilms · 1990s
93.8Z-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 · 4,082 peers in Films · 1990s
| Mean reviewer z-score | +0.455 |
|---|---|
| DB1 raw-mean rating | 8.45 /10 |
| DB2 raw-mean rating | 8.50 /10 |
| 90% CI-floor (z) | +0.150 |
| Reviewers (DB1 / DB2) | 29 / 30 |
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 = +0.455. DB2 raw mean = 8.50.
03
CI-floor
90% CI-floor = +0.150. Thin samples penalized.
04
ECDF percentile
Global 85.4 / cohort 86.8. Z-track and raw-track ranked separately.
Cohort: Films · 1990s







