Methodology & data quality
Anime26 treats methodology as a feature. Every enriched value is either backed by evidence or left as an honest Unknown. This page documents what is measured, how, and where the limits are.
What Anime26 measures
The dataset separates title-level and character-level metrics and never conflates them. It can answer, distinctly: what share of action anime are female-led (a title-level metric), and what share of MAIN characters in action anime are female (a character-level metric). These have different denominators and are reported separately throughout the site.
AniList and Jikan/MAL source roles
AniList is the structured spine: ids, titles, season/year, format, genres, tags with rank, studios (with isAnimationStudio), staff roles, and characters with a structured gender and age. Jikan/MAL provides continuity and popularity: score, members, favorites, genres, themes and demographics. Public web pages are used only where structured sources are insufficient, always cited.
Identity resolution
AniList and MAL records are resolved to one internal id per title via structured id mappings and fuzzy title matching. AniList and MAL popularity are kept on their native, non-equivalent scales and are never combined into a single synthetic number.
Protagonist classification
Protagonist structure (Female-led, Male-led, Mixed-led, Ensemble) is computed from AniList's structured MAIN-character gender field, corroborated by Male/Female Protagonist tags. Character gender is taken from the structured field — never inferred from a name.
Adult-cast classification
Cast age (Adult Cast, Mostly Adult Cast, Mixed Age Cast, Youth Cast) comes from AniList cast tags and structured character ages — never inferred from demographic alone. A seinen title can star teenagers; a shoujo title can star adults, and the data reflects that.
Settings, themes and studios
Settings and themes are mapped from AniList tags (weighted by rank) and MAL genres/themes through a conservative controlled ontology; ambiguous tags stay Unknown. Studio aggregates count animation studios only — producers and licensors are excluded.
Confidence bands
Each classification carries a confidence score. Values below a field's acceptance threshold are shown as Unknown rather than as low-confidence conclusions.
| UI label | Dataset range |
|---|---|
| Verified | 0.95–1.00 |
| High confidence | 0.85–0.94 |
| Supported | 0.70–0.84 |
| Needs review | 0.50–0.69 |
Data coverage
Known vs. Unknown by field. Unknown is surfaced as a count and excluded from percentage denominators — never hidden.
| Field | Known | Unknown | Total | Known % |
|---|---|---|---|---|
| Protagonist class | 56 | 4 | 60 | 93.3% |
| Adult-cast class | 36 | 24 | 60 | 60.0% |
| Primary setting | 50 | 10 | 60 | 83.3% |
| Primary themes | 60 | 0 | 60 | 100.0% |
| MAIN-character gender | 133 | 6 | 139 | 95.7% |
Audit summary
Audit passedChecked Jul 24, 2026 · 0 errors · 0 warnings · publication is blocked unless the audit passes.
Checks
- passDuplicate identifier check0 duplicate AniList ids, 0 duplicate MAL ids
- passEvidence-backed classifications0 non-Unknown classifications lack evidence metadata
Known limitations
- The shipped snapshot is materialized in
culturalmode (top-N per season) for tractability. - Structured character gender/age thins for older or niche titles, raising Unknown rates.
- Setting/theme ontologies are conservative — ambiguous tags stay Unknown rather than guessed.
- Sequel detection is a title-pattern heuristic; franchise graphs are not fully materialized.
- AniList and MAL popularity are not equivalent and are kept on their native scales.