Accompanying R package (HRW)
Semiparametric Regression with R is accompanied by an R package named HRW. The HRW package contains
 several illustrative scripts corresponding to examples in the book,
 functions that support some of the analyses,
 datasets used in the book (some of the book's datasets are available in other R packages).
The current version (1.05; created 23rd November 2021) of HRW is available from the
Comprehensive R Archive Network.
