PR-CS-8: Association strength (ΔR²) — per-scope effect-size guide for the Analyze Wall#290

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jukka-matti merged 8 commits into

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feat/cs-8-association-strength

Jun 3, 2026

Commits on Jun 3, 2026

feat(stats): perFactorDeltaR2 — per-factor semipartial R² (association strength)

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test(stats): cover empty-baseline ΔR² + decouple tests from subset-key encoding
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feat(i18n): association-strength + ΔR² band labels (all 32 locales + MessageCatalog)
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feat(analyze): render per-factor ΔR² association strength + no-verdict framing

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refactor(analyze): extract byDeltaR2Desc comparator (single source for the 3 sort sites)
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test(analyze): lock in per-scope vital-few re-rank on drill + ΔR² signal

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test(analyze): make re-rank test load-bearing — junk Noise candidate + balanced wobble
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docs(cs-8): refine LOCKED #2 to surface ΔR² association strength (effect-size-with-p)
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