phmeas {EngrExpt}R Documentation

Comparison of instruments to measure pH

Description

Comparison of instruments to measure pH

Format

A data frame with 11 observations on the following 2 variables.

phold

a numeric vector

phnew

a numeric vector

Details

These data were collected to compare an old instrument to a new instrument. Eleven samples were tested with both instruments.

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

str(phmeas)

[Package EngrExpt version 0.1-8 Index]