Enhancing the Interpretability of Radial Velocity Analysis Using Leave-one-out Cross-validation

arXiv:2610.07181 · astro-ph.EP, astro-ph.IM · Submitted 2026-10-05 · Read on arXiv

astro-ph.EP, astro-ph.IM

Submitted: 2026-10-05

Updated: 2026-10-05

Comments: Accepted for publication in The Astronomical Journal. We include an online tutorial to apply LOO-CV to RV data sets. The tutorial is hosted on GitHub at https://github.com/mcnixon/rv_loo_cv_tutorial and preserved on Zenodo at https://zenodo.org/records/22779652

Code: https://github.com/mcnixon/rv

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Interpretability — 1× in this paper · explained in 15 episodes

Sources

• An Earth-like Density for the Temperate Earth-sized Planet GJ 12b
• Precise Radial Velocities
• Extreme Precision Radial Velocity Working Group Final Report
• Pareto Smoothed Importance Sampling

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