paper {GLMsData}

The tensile strength of paper

Description

The tensile strength of Kraft paper with varying hardwood concentrations

Usage

data(paper)

Format

A data frame with 19 observations on the following 2 variables.

Strength

the paper strength (in pounds per square inch (psi)); a numeric vector

Hardwood

the hardwood concentration in the paper in percent; a numeric vector

Details

The data give the strength of 25 samples of Kraft paper (a strong, coarse, usually brownish type of paper) for varying amounts of hardwood.

Source

G. Joglekar, J. H. Schuenemeyer and V. LaRicca (1989) Lack-of-fit testing when replicates are not available. American Statistician, 43, 135–143.

References

D. J. Hand, F. Daly, A. D. Lunn, K. J. McConway, and E. Ostrowski (1994) A Handbook of Small Data Sets, London: Chapman and Hall. Dataset 271. (The response and explanatory variables are reversed from those in the original article.)

D. C. Montgomery and E. A. Peck (1982) Introduction to linear regression analysis, New York: John Wiley.

Examples

data(paper)
plot(paper)