R: random parameter objects

rpar {mlogit} | R Documentation

## random parameter objects

### Description

`rpar` objects contain the relevant information about estimated random parameters. The homonymous function extract on `rpar` object from a `mlogit` object.

### Usage

    rpar(x, par = NULL, norm = NULL, ...)

### Arguments

`x` | a `mlogit` object,
`par` | the name or the index of the parameters to be extracted ; if `NULL`, all the parameters are selected,
`norm` | the coefficient used for normalization if any,
`...` | further arguments.

### Details

`mlogit` objects contain an element called `rpar` which contain a list of `rpar` objects, one for each estimated random parameter. The `print` method prints the name of the distribution and the parameter, the `summary` behave like the one for numeric vectors.

### Value

a `rpar` object, which contain :

`dist` | the name of the distribution,
`mean` | the first parameter of the distribution,
`sigma` | the second parameter of the distribution,
`name` | the name of the parameter,

### Author(s)

Yves Croissant

### See Also

`mlogit` for the estimation of a random parameters logit model.

[Package mlogit version 0.3-0 Index]