The MASS package includes the dataset anorexia, containing pre and post treatment weights for young female anorexia patients. This is a subset of those data, containing only those patients who received Family Treatment.
data(anorexia.sub)A dataframe with 17 observations on the following 2 variables, no NAs.
PrewtPretreatment weight of subject, in pounds.
PostwtPostreatment weight of subject, in pounds.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.