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]