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uroscores 0.1.0

First release.

• Nine instrument definitions, each checked against its primary source publication: ipss, oabss, icsi, icpi, udi6, iiq7, isi, isi3, bii. References live on the definition itself, and severity bands carry their own citation when it differs from the scoring citation (oabss).
• One generic engine, score_instrument(), with sum, mean-scaled (0-100), and product scoring types, plus the score_ipss() wrapper. Items validate against per-item permitted value sets; the ICSI bladder-pain item accepts 0, 2, 3, 4, 5 and rejects 1.
• Missing items follow the published rule where one exists (UDI-6/IIQ-7: mean of answered items, at most 2 missing) and give NA otherwise. Requesting proration for an instrument without a published rule is an error.
• classify_severity() assigns severity by band membership; scores falling between non-contiguous bands (Sandvik index) give NA with a warning.
• Impossible totals are rejected. classify_severity() and responder() check scores against achievable_totals(), the exact set of totals an instrument can produce given its items and missing-item rule (Sandvik products, prorated UDI-6/IIQ-7 fractions included). A 5 lies inside the Sandvik moderate band, but no frequency and amount combination produces it; it now gives NA with a warning instead of a label.
• Severity band definitions must not overlap. register_instrument() warns instead of messaging when it overwrites a definition, with a sharper warning for built-ins. The print method shows per-item ranges when items differ (oabss: 0-2, 0-3, 0-5, 0-5).
• Input guards throughout: duplicated item columns, non-numeric scores, and mismatched responder() vector lengths are errors instead of silent misbehavior; mean-scaled definitions must have items starting at 0; the print method marks instruments whose permitted values are not contiguous.
• mid_estimates() lists published anchor-based change statistics (Barry et al., 1995) with the anchor, subgroup, and citation on every row. responder() classifies change against a threshold the analyst chooses explicitly; there is no default.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.