spread.level.plot {LearnEDA}R Documentation

Spread versus level plot

Description

Constructs a spread versus level plot and displays a resistant fit.

Usage

spread.level.plot(response,group)

Arguments

response numeric vector of response values
group vector of values of the grouping variable

Author(s)

Jim Albert

Examples

data(state)
spread.level.plot(state.x77[,"Area"],state.region)

[Package LearnEDA version 1.01 Index]