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Table 3

Bayesian model comparison of the chemical species considered for the FREE model.

Species ln (Z) Inferences
H2O −0.3 Inconclusive
CO 0.1 Inconclusive
CH4 −0.2 Inconclusive
H 71.3 Strong
TiO −0.5 Inconclusive

Notes. The logarithmic Bayesian evidence, calculated as ln(Zfull) - ln(Zno-x), quantifies the statistical preference for excluding a certain species X in the atmospheric model, with uncertainties of 0.7. The species in bold possess strong evidence.

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