118th Senate — GGUM scores

data

GGUM ideal point estimates for the 118th Senate (members scored: 103 of 105; max PSRF: 1.004).

118th Senate — GGUM θ vs W-NOMINATE dim-1

Download

Download S118-ggum-scores.csv — 105 members, 25 columns (Voteview metadata + GGUM θ, θ SD, PSRF).

Off-diagonal members

The following 1 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.

MemberPartyStatenominateGGUM θresidual
WARRENDMA-0.74-1.93+0.86

Placements worth a second look

GGUM’s placement of the following members differs from what their established political reputations might lead a reader to expect. We draw attention to these cases so that researchers can consider them before using the estimates for a particular analysis; we are not alleging error.

  • HOEVEN. Hoeven is commonly viewed as a pragmatic, deal-making former governor and appropriator, with a low-key institutionalist profile. GGUM places him at an extreme-conservative tier.

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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.