William J. Kennedy 
Statistical Computing [EPUB ebook] 

In this book the authors have assembled the "best techniques from a great variety of sources, establishing a benchmark for the field of statistical computing." –Mathematics of Computation ." The text is highly readable and well illustrated with examples. The reader who intends to take a hand in designing his own regression and multivariate packages will find a storehouse of information and a valuable resource in the field of statistical computing.