Lowry {IAcsSPCR}

Phase I multivariate data from Lowry, Woodall, Champ and Rigdon

Description

Data from the Phase I multivariate data from Lowry, Woodall, Champ, and Rigdon

Usage

data(Lowry)

Format

A data frame with 10 observations on the following 2 variables.

x1

a numeric vector containing values of quality characteristic x1

x2

a numeric vector containing values of quality characteristic x2

Source

C. Lowry, W. Woodall, C. Champ, and S. Rigdon, "A Multivariate Exponentially Weighted Moving Average Control Chart", Technometrics (34),pp 46-53, 1992.

Examples

data(Lowry)