Results of the granulation–radius relation derivation for the two-component background model (H). Left panel: Corner plot of the inferred global regression parameters of Eq. (1). The summary statistics are given as the median and 16/84 percentiles of the posteriors. Right panel: Granulation-inferred stellar radius plotted against the reference radius for each star, using circular and triangular points for seismic and interferometric stars, respectively. In the main panel, we use the inferred T_eff for the prediction, while the insert shows the results obtained when using the observed T_eff. The obtained fractional root-mean-square scatter, ΔR/R, are shown for each. The residuals are shown below, coloured according to the granulation background model preference as indicated by the legend.