IQCC (version 1.0)

grafXR: X-bar and R control charts

Description

This function builds the X-bar and R control charts in the same window.

Usage

grafXR(x, sizes)

Arguments

x

The data to be plotted.

sizes

A value or a vector of values specifying the sample sizes associated with each group.

Value

• Return the two control charts.

Examples

data(pistonrings)
attach(pistonrings)
grafXR(pistonrings[1:25,])