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nlme (version 3.1-163)

asOneFormula: 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)

Value

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

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").

Author

José Pinheiro and Douglas Bates bates@stat.wisc.edu

See Also

Examples

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

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