sigma.breathtestnlmefit {breathtestcore}

S3 method to extract the fit's residual standard deviation

Description

Functions for nls and nlme are available; additional functions for Stan-based fits are defined in package breathteststan.

Usage

## S3 method for class 'breathtestnlmefit'
sigma(object, ...)

Arguments

object

Result of class breathtestfit

...

Not used

Value

A numeric value giving the standard deviation of the residuals.