janka: Janka hardness
In GLMsData: Generalized Linear Model Data Sets
janka R Documentation
Janka hardness
Description
The Janka hardness of Australian hardwoods
Usage
data(janka)
Format
A data frame containing 36 observations with the following 2 variables.
Densitythe hardwood density (units unknown);
a numeric vector
Hardnessthe Janka hardness (units unknown);
a numeric vector
Details
The data give the Janka hardness (which is hard to measure)
and the density of Australian hardwoods (which is easier to measure).
Source
W. N. Venables (1998)
Exegeses on linear models.
In S-Plus User's Conference, Washington DC.
References
Williams, E. J. (1959)
Regression Analysis, Wiley, New York.
Examples
data(janka)
plot(janka)
GLMsData documentation built on Aug. 22, 2022, 9:10 a.m.
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| janka | R Documentation |
Janka hardness
Description
The Janka hardness of Australian hardwoods
Usage
data(janka)
Format
A data frame containing 36 observations with the following 2 variables.
Densitythe hardwood density (units unknown); a numeric vector
Hardnessthe Janka hardness (units unknown); a numeric vector
Details
The data give the Janka hardness (which is hard to measure) and the density of Australian hardwoods (which is easier to measure).
Source
W. N. Venables (1998) Exegeses on linear models. In S-Plus User's Conference, Washington DC.
References
Williams, E. J. (1959) Regression Analysis, Wiley, New York.
Examples
data(janka) plot(janka)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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