Table Error metrics of each SAMPL9 host-guest system considering only ranked predictions The error metrics computed (across all submissions) include the root mean square error (RMSE), mean absolute error (MAE), and signed mean error (ME). The results shown are for each host-guest system considering only ranked predictions and are sorted in an ascending order based on MAE; they provide a measure of the difficulty of each particular host-guest complex. The metrics were computed via bootstrapping with replacement and the upper and lower bounds of 95%-percentile confidence intervals are shown in brackets. The statistics do not include optional host-guest system WP6-G4.