STRESS: Stress Levels

In mistat: Data Sets, Functions and Examples from the Book: "Modern Industrial Statistics" by Kenett, Zacks and Amberti

Stress Levels

Description

Results of a 33 factorial experiment to investigate the effects of three factors A, B, C on the stress levels of a membrane Y. The first three columns of the data provide the levels of the three factors, and column 4 presents the stress values.

Usage

data(STRESS)

Format

A data frame with 27 observations on the following 4 variables.

A

levels of factor A, a numeric vector

B

levels of factor B, a numeric vector

C

levels of factor C, a numeric vector

stress

stress levels of a membrane Y, a numeric vector

Source

Oikawa and Oka (1987)

Examples

data(STRESS)

summary(                                       
  aov(stress ~ (A+B+C)^3 +I(A^2)+I(B^2)+I(C^2),
      data=STRESS))

mistat documentation built on March 7, 2023, 6:43 p.m.