quantchem (version 0.13)

confint.cal: Confidence intervals for calibration curve parameters

Description

Computes confidence intervals for parameters in a calibration fitted model.

Usage

"confint"(object, parm, level = 0.95, sort.models = FALSE, ...)

Arguments

object
an object of class 'lmcal' or 'nlscal' (inheriting from 'cal')
parm
ignored in this case
level
confidence level of intervals
sort.models
should the intervals be sorted by models, or variable names
...
additional arguments (ignored)

Value

A matrix containing upper and lower bounds for confidence interval is returned.

See Also

lmcal, nlscal

Examples

data(nitrate)
attach(nitrate)
fit = lmcal(conc,area)
confint(fit)