| ARCHmX | Fitting an ARCH-m(X) model |
| ARCHmXAdditive | Creating and fitting an Additive ARCH-m(X) model for variable selection |
| GARCHX | Fitting a GARCH-X model |
| sim.ARCHmX | Simulating data from an ARCH-m(X) process |
| sim.ARCHmXAdditive | Simulate data from an ARCHmXAdditive model |
| sim.GARCHX | Simulate GARCHX model |
| stepwise | Performing Stepwise Variable Selection for an ARCH-m(X) or GARCHX Process |