BsMD (version 2013.0718)

BM93.e2.data: Example 2 data in Box and Meyer (1993)

Description

12-run Plackett-Burman design for the study of fatigue life of weld repaired castings.

Usage

data(BM93.e2.data)

Format

A data frame with 12 observations on the following 8 variables.

A

a numeric vector. Initial structure factor.

B

a numeric vector. Bead size factor.

C

a numeric vector. Pressure treat factor.

D

a numeric vector. Heat treat factor.

E

a numeric vector. Cooling rate factor.

F

a numeric vector. Polish factor.

G

a numeric vector. Final treat factor.

y

a numeric vector. Natural log of fatigue life response.

Source

Hunter, G. B., Hodi, F. S., and Eager, T. W. (1982). "High-Cycle Fatigue of Weld Repaired Cast Ti-6A1-4V". Metallurgical Transactions 13A, pp. 1589--1594. Box, G. E. P and R. D. Meyer (1993). "Finding the Active Factors in Fractionated Screening Experiments". Journal of Quality Technology. Vol. 25. No. 2. pp. 94--105.

Examples

library(BsMD)
data(BM93.e2.data,package="BsMD")
print(BM93.e2.data)