skewlmm (version 1.1.3)

sigma: Residual standard deviation from smn.lmm and smsn.lmm objects

Description

Extract the estimated residual standard deviation from smn.lmm and smsn.lmm objects.

Usage

# S3 method for SMN
sigma(object, ...)
# S3 method for SMSN
sigma(object, ...)

Value

A positive number.

Arguments

object

An object inheriting from class SMN or SMSN

...

Additional arguments.

See Also

smn.lmm, smsn.lmm, criteria

Examples

fm1 = smn.lmm(distance ~ age+Sex, data=nlme::Orthodont, groupVar="Subject")
sigma(fm1)