109th Senate — GGUM scores
GGUM ideal point estimates for the 109th Senate (members scored: 101 of 101; max PSRF: 1.004).
Download
Download S109-ggum-scores.csv — 101 members, 25 columns (Voteview metadata + GGUM θ, θ SD, PSRF).
Off-diagonal members
The following 2 members fall more than 2.5σ off the OLS fit of GGUM θ on W-NOMINATE dim-1. We flag these as diagnostic cases where the two scalings most disagree.
| Member | Party | State | nominate | GGUM θ | residual |
|---|---|---|---|---|---|
| FEINGOLD | D | WI | -0.31 | -1.77 | -0.84 |
| COBURN | R | OK | +0.78 | +1.94 | -0.62 |
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The prose on this page was drafted with Anthropic’s Claude Opus 4.7, with plausibility audits by Claude Sonnet 4.5 subagents. The author edited and reviewed throughout.