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summary.varFunc

Summarize "varFunc" Object


Description

A structName attribute, with the value of corresponding argument, is appended to object and its class is changed to summary.varFunc.

Usage

## S3 method for class 'varFunc'
summary(object, structName, ...)

Arguments

object

an object inheriting from class "varFunc", representing a variance function structure.

structName

an optional character string with a description of the varFunc class. Default depends on the method function:

for varComb:

"Combination of variance functions",

for varConstPower:

"Constant plus power of variance covariate",

for varConstProp:

"Constant plus proportion of variance covariate",

for varExp:

"Exponential of variance covariate",

for varIdent:

"Different standard deviations per stratum",

for varPower:

"Power of variance covariate",

for varFunc:

data.class(object).

...

some methods for this generic require additional arguments. None are used in this method.

Value

an object similar to object, with an additional attribute structName, inheriting from class summary.varFunc.

Author(s)

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

See Also

Examples

vf1 <- varPower(0.3, form = ~age)
vf1 <- Initialize(vf1, Orthodont)
summary(vf1)

nlme

Linear and Nonlinear Mixed Effects Models

v3.1-152
GPL (>= 2) | file LICENCE
Authors
José Pinheiro [aut] (S version), Douglas Bates [aut] (up to 2007), Saikat DebRoy [ctb] (up to 2002), Deepayan Sarkar [ctb] (up to 2005), EISPACK authors [ctb] (src/rs.f), Siem Heisterkamp [ctb] (Author fixed sigma), Bert Van Willigen [ctb] (Programmer fixed sigma), Johannes Ranke [ctb] (varConstProp()), R-core [aut, cre]
Initial release
2021-02-03

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