Description Arguments Details Slots Accessor Functions Author(s)

A generic `response`

model for `depmix`

models.

`object` |
An object of class "response". |

This class offers a framework from which to build specific response
models such as glm based responses or multinomial responses. For
extensibility, objects with class `response`

should have at least
methods: `dens`

to return the `dens`

'ity of responses, and
`getpars`

and `setpars`

methods to get and set parameters.

The `constr`

slot is used for information on constraints that are
inherently part of a model; the only such constraints which are currently
used are 1) the sum constraint in multinomial models with identity link,
and 2) a lower bound of zero of sd parameters in gaussian distributions.
Such constraints are only used in fitting models with general optimization
routines such as `Rsolnp`

; the EM algorithm automagically respects the
sum constraint.

`lin`

:Derivative of linear constraint.

`linup`

:Upper bounds for linear constraints.

`linlow`

:Lower bounds for linear constraints.

`parup`

:Upper bounds on parameters.

`parlow`

:Lower bounds on parameters.

`parameters`

:A (named) list of parameters.

`fixed`

:A logical vector indicating which parameters are fixed.

`y`

:A matrix with the actual response; possibly multivariate.

`x`

:A design matrix; possibly only an intercept term.

`npar`

:The number of parameters.

`constr`

:Information on constraints.

The following functions should be used for accessing the corresponding slots:

`npar`

:The number of parameters of the model.

`getdf`

:The number of non-fixed parameters.

Ingmar Visser & Maarten Speekenbrink

depmixS4 documentation built on May 30, 2017, 6:48 a.m.

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