Ch 6: choosing between models

True models

True models do not exist; see René Margritte’s famous painting ‘La trahison des images’ (The Treachery Of Images).
And of course George Box:

The Treachery of Images
René Magritte, 1928–29; Oil on canvas;
Los Angeles County Museum of Art, California

Practical Exercise

Table 6.2 shows results from analyses of 1.2 million elderly patients undergoing surgery. A practical exercise outlines the underlying analyses (SPSS, can also be done in R, see MarkDown to reproduce Fig 6.3).