R: Combine Formulas of a Set of Objects

asOneFormula {nlme} | R Documentation

## Combine Formulas of a Set of Objects

### Description

The names of all variables used in the formulas extracted from the objects defined in `...` are converted into a single linear formula, with the variables names separated by `+`.

### Usage

    asOneFormula(..., omit)

### Arguments

`...` | objects, or lists of objects, from which a formula can be extracted.
`omit` | an optional character vector with the names of variables to be omitted from the returned formula. Defaults to c(".", "pi").

### Value

a one-sided linear formula with all variables named in the formulas extracted from the objects in `...`, except the ones listed in `omit`.

### Author(s)

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

### See Also

`formula`, `all.vars`

### Examples

    asOneFormula(y ~ x + z | g, list(~ w, ~ t * sin(2 * pi)))

[Package nlme version 3.1-89 Index]