caliper: Diameters of rods measured by two calipers

Description Format Details References Examples

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

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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)

EngrExpt documentation built on May 31, 2017, 4:13 a.m.

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