rmngb (version 0.6-1)

ablineCI: Add Confidence Interval Lines to a Plot

Description

This function adds confidence interval lines from a model to the current plot.

Usage

ablineCI(x, level = .95, lty = 2, ...)

Arguments

x

an object inheriting from lm.

level

confidence level.

lty

the line type.

...

additional arguments passed to lines

Value

A matrix of predictions.

Examples

x <- rnorm(10)
y <- rnorm(10)
mod <- lm(y ~ x)

plot(x, y)
abline(mod)
ablineCI(mod)