An Ensemble of Adaptive Surrogate Models Based on Local Error Expectations

Table 4

Mean values of R².

Benchmark test function	Total sample	PRESS	BestPRESS	PWS	EOASM
Branin	15	0.7351	0.7089	0.7364	0.9446
Hartmann-3	23	0.6934	0.6643	0.6935	0.9007
Hartmann-4	30	0.6549	0.5847	0.6547	0.9313
Hartmann-6	189	0.6884	0.6612	0.6883	0.9797
Styblinski-Tang8	240	0.4310	0.3903	0.4413	0.9514
Styblinski-Tang10	299	0.2931	0.2588	0.2931	0.9624