# Class "fGARCHSPEC"

`class-fGARCHSPEC.Rd`

Specification structure for an univariate GARCH time series model.

## Objects from the Class

Objects can be created by calls of the function `garchSpec`

.
This object specifies the parameters of an empirical GARCH process.

## Slots

`call`

:Object of class

`"call"`

: the call of the`garch`

function.`formula`

:Object of class

`"formula"`

: a list with two formula entries for the mean and variance equation.`model`

:Object of class

`"list"`

: a list with the model parameters.`presample`

:Object of class

`"matrix"`

: a numeric matrix with presample values.`distribution`

:Object of class

`"character"`

: a character string with the name of the conditional distribution.`rseed`

:Object of class

`"numeric"`

: an integer with the random number generator seed.

## Examples

```
## garchSpec -
spec = garchSpec()
spec # print() or show() it
#>
#> Formula:
#> ~ garch(1, 1)
#> Model:
#> omega: 1e-06
#> alpha: 0.1
#> beta: 0.8
#> Distribution:
#> norm
#> Presample:
#> time z h y
#> 1 0 -1.069553 1e-05 0
```