cchart.Xbar_R {IQCC}

X-bar and R control charts

Description

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

Usage

cchart.Xbar_R(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)
cchart.Xbar_R(pistonrings[1:25, ])