| AEI | Augmented Expected Improvement |
| AEI.grad | AEI's Gradient |
| AKG | Approximate Knowledge Gradient (AKG) |
| AKG.grad | AKG's Gradient |
| DiceOptim | Kriging-based optimization methods for computer experiments |
| EGO.nsteps | Sequential EI maximization and model re-estimation, with a number of iterations fixed in advance by the user |
| EI | Analytical expression of the Expected Improvement criterion |
| EI.grad | Analytical gradient of the Expected Improvement criterion |
| EQI | Expected Quantile Improvement |
| EQI.grad | EQI's Gradient |
| kriging.quantile | Kriging quantile |
| kriging.quantile.grad | Analytical gradient of the Kriging quantile of level beta |
| max_AEI | Maximizer of the Augmented Expected Improvement criterion function |
| max_AKG | Maximizer of the Expected Quantile Improvement criterion function |
| max_EI | Maximization of the Expected Improvement criterion |
| max_EQI | Maximizer of the Expected Quantile Improvement criterion function |
| max_qEI | Maximization of multipoint expected improvement criterion (qEI) |
| min_quantile | Minimization of the Kriging quantile. |
| noisy.optimizer | Optimization of homogenously noisy functions based on Kriging |
| qEGO.nsteps | Sequential multipoint Expected improvement (qEI) maximizations and model re-estimation |
| qEI | Analytical expression of the multipoint expected improvement (qEI) criterion |
| qEI.grad | Gradient of the multipoint expected improvement (qEI) criterion |
| sampleFromEI | Sampling points according to the expected improvement criterion |
| update_km_noisyEGO | Update of one or two Kriging models when adding new observation |