NEWS.md
Added examples in accuracy() documentation.
Changed line styles in pred.plot.default().
Added URL trailing slashes in README.md (CRAN requirement).
Added body fat datasets: bodyfat.raw, bodyfat and bfan.
Added pred.plot() S3 generic function (and methods).
obs.pred.plot() renamed as pred.plot.default() (the default method; for regression).
Added pred.plot.factor() (for classification).
S3 generic beta.coef() renamed as scaled.coef(), with an additional argument scaled.response = TRUE in the default method.
Added packages used in the book in the Suggests field of DESCRIPTION.