| Air | Unified Interface for 'AirHOLP' and 'AirOLS' |
| AirHOLP | Adaptive Iterative Ridge HOLP Screening |
| AirOLS | Adaptive Iterative Ridge OLS Screening |
| newton | Newton-Raphson root finder |
| rnormAR1 | Generate normal samples (Autoregressive AR(1) correlation) |
| rnormCS | Generate normal samples (Compound Symmetry) |
| summary.AirResult | Summarise an 'AirResult' Object |