Trend-class {demest} | R Documentation

## An S4 class to specify the trend term in a DLM prior.

### Description

An object of class `Trend` is used to specify the trend term in a `DLM` prior.

### Slots

`ADelta`

  Scale for half-t prior for standard deviation of innovations.

`ADelta0`

  Standard deviation of the normal prior for the first trend term.

`meanDelta0`

  Mean of the normal prior for the first trend term. Defaults to 0.

`multDelta`

  Multiplier applied to codeADelta.

`multDelta0`

  Multiplier applied to codeADelta0.

`nuDelta`

  Degrees of freedom for half-t prior for standard deviation of innovations.

`omegaDeltaMax`

  Maximum value for standard deviation of innovations.

### Warning

In normal usage, it should not be necessary to access, or even know about, the slots of a `Trend` object. The slots are not part of the API of the package, and may change in future.

### See Also

Objects of class `Trend` are created by calls to function `Trend`.

[Package demest version 0.0.0.3.1 Index]