OBsMD (version 12.0)

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.

References

Hunter, G. B., Hodi, F. S., and Eager, T. W. (1982) High-Cycle Fatigue of Weld Repaired Cast Ti-6A1-4V., Metallurgical Transactions 13(9), 1589--1594.

Box, G. E. P. and Meyer, R. D. (1993) Finding the Active Factors in Fractionated Screening Experiments., Journal of Quality Technology 25(2), 94--105. tools:::Rd_expr_doi("10.1080/00224065.1993.11979432").

Examples

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