refactor(models): rename sigSqToCiq to qEta to match paper notation#990
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Per Weng & Lin (2011) §3.1.1, the quantity iSigmaSq/ciq corresponds to η_q in the paper. Renaming the local variable across the Bradley-Terry and Thurstone-Mosteller models for easier cross-reference with the paper. No behaviour change. Addresses #203.
This was referenced May 27, 2026
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Summary
sigSqToCiqvariable toqEtaacross the Bradley-Terry and Thurstone-Mosteller models so it matches η_q from Weng & Lin (2011) §3.1.1.Addresses #203 (the specific example called out in the issue body).
Test plan
npm test— all 208 tests passqEtavs e.g.etaQ) before mergingGenerated by Claude Code