nlmeStruct {nlme} | R Documentation

## Nonlinear Mixed-Effects Structure

### Description

A nonlinear mixed-effects structure is a list of model components representing different sets of parameters in the nonlinear mixed-effects model. An `nlmeStruct` list must contain at least a `reStruct` object, but may also contain `corStruct` and `varFunc` objects. `NULL` arguments are not included in the `nlmeStruct` list.

### Usage

    nlmeStruct(reStruct, corStruct, varStruct)

### Arguments

`reStruct` | a `reStruct` representing a random effects structure.
`corStruct` | an optional `corStruct` object, representing a correlation structure. Default is `NULL`.
`varStruct` | an optional `varFunc` object, representing a variance function structure. Default is `NULL`.

### Value

a list of model components determining the parameters to be estimated for the associated nonlinear mixed-effects model.

### Author(s)

Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu

### See Also

`nlme`, `reStruct`, `corClasses`, `varFunc`

### Examples

    nlms1 <- nlmeStruct(reStruct(~age), corAR1(), varPower())

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