Description Usage Format Source References Examples
The janka
data frame has 36 observations on Australian timber
samples.
1 |
This data frame contains the following columns:
a measure of density of the timber.
the Janka hardness (structural property) of the timber.
Williams, E.J. (1959) Regression Analysis, New York: John Wiley & Sons.
Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/
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