| bbox1 | A black-box computer model | 
| bbox2 | A black-box computer model | 
| bbox3 | A black-box computer model | 
| bbox4 | A black-box computer model | 
| bbox5 | A black-box computer model | 
| bbox6 | A black-box computer model | 
| bbox7 | A black-box computer model | 
| gram | The Gramacy et. al 2016 test function | 
| mtp | The modified Townsend function | 
| pressure | The pressure vessel computer model | 
| sprinkler | The spinkler computer model | 
| tension | The tension spring computer model |