caliper {EngrExpt} | R Documentation |
Diameters of rods measured by two calipers
Description
Diameters of 14 metal rods measured once each with each of two calipers.
Format
A data frame with 14 observations on the following 3 variables.
part
indicator of which part is measured - a factor
calipera
measurement with caliper type A
caliperb
measurement with caliper type B
Details
This is an experiment to study the relationship between the measurements taken by the two calipers on various parts. The diameter of each part is not of interest.
References
Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
Examples
str(caliper)
show(pl1 <-
xyplot(caliperb ~ calipera, caliper,
type = c("g","p"), aspect = "iso",
xlab = "Measurement with caliper A",
ylab = "Measurement with caliper B"))
tmd(pl1)
[Package EngrExpt version 0.1-8 Index]