grafXR {IQCC}R Documentation

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.

Author(s)

Daniela R. Recchia, Emanuel P. Barbosa.

Examples

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

[Package IQCC version 1.0 Index]