dataset2 {MPCI}

Real bivariate data set

Description

This example represents the measurements on the brinell hardness (X_1) and tensile strength (X_2) discussed by Wang and Chen (1998).

Usage

data(dataset2)

Format

A data frame with 25 observations on the following 2 variables.

X1

brinell hardness

X2

tensile strength

References

Wang F, Chen J (1998). "Capability index using principal components analysis." Quality Engineering, 11, 21-27.

Examples

data("dataset2")
## maybe str(dataset2) ; plot(dataset2) ...