Table 3. Accuracy of random forest classifier predictions.

Prediction	AUC	Accuracy
CAP_LCL ∈ Stranger_LCL	0.79	0.74
CAP_LCL ∈ Merck_liver	0.73	0.82
CAP_LCL ∈ (Stranger_LCL\Merck_liver)	0.67	0.71
UChicago_liver ∈ Merck_liver	0.74	0.70
UChicago_liver ∈ Stranger_LCL	0.77	0.73
UChicago_liver ∈ (Merck_liver\Stranger_LCL)	0.71	0.66
Harvard_cerebellum ∈ Myers_brain	0.71	0.83
Harvard_cerebellum ∈ Stranger_LCL	0.77	0.81
Harvard_cerebellum ∈ (Myers_brain\Stranger_LCL)	0.68	0.60

For the prediction task in the left-most column, we include the area under the curve (AUC) and prediction accuracy.