Table 2. Sensitivity Analysis of the ML Model under Various Scenarios.

scenario	initial:blind split	initial set datapoints	training R2	blind set datapoints	validation R2	validation RMSE
base case	14:5	189	0.97	36	0.76	6.2
1 a	12:7	170	0.97	55	0.27	10.03
1 b	10:9	142	0.97	83	0.43	11.70
2	14:5	various	0.98	various	0.33	9.60
3	12:4	151	0.97	36	0.75	6.27