Bayesian LOO-CV on five PTA frequency bins finds the phenomenological environmental model has highest predictive density but not decisively so, while simplified ULDM outperforms the realistic version.
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Bayesian leave-one-out cross-validation for astrophysical model comparison using gravitational-wave background data
Bayesian LOO-CV on five PTA frequency bins finds the phenomenological environmental model has highest predictive density but not decisively so, while simplified ULDM outperforms the realistic version.