Ryan92 {IAcsSPCR}

Phase I multivariate data from Ryan's Table 9.2

Description

Data from the Phase I multivariate data from Ryan's Table 9.2 used in chapter 7 of An Introduction to Acceptance Sampling and SPC with R

Usage

data(Ryan92)

Format

A data frame with 80 observations on the following 2 variables.

subgroup

a numeric vector containing subgroup numbers from 1 to 20

x1

a numeric vector containing values of quality characteristic x1

x2

a numeric vector containing values of quality characteristic x2

Source

Statistical Methods for Quality Improvement, by Thomas P. Ryan, John Wiley and Sons Inc.

Examples

data(Ryan92)