This data set consists of the strength of pine wood as a function of density or density adjusted for resin content.

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A data frame with 42 observations on the following 3 variables.

`y`

pine wood strength.

`x`

pine wood density.

`z`

pine wood density adjusted for resin content.

Burnham and Anderson (2002, p. 183) use this data set originally from Carlin and Chib (1995) to illustrate model selection for two competing and non-nested models.

Burnham, K. P., Anderson, D. R. (2002) *Model Selection and
Multimodel Inference: a practical information-theoretic
approach*. Second edition. Springer: New York.

Carlin, B. P., Chib, S. (1995) Bayesian model choice via Markov chain
Monte Carlo methods. *Journal of the Royal Statistical Society,
Series B* **57**, 473–484.

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