A university medical center urology group was interested in

A university medical center urology group was interested in modeling prostate-specific antigen (PSA) and a number of prognostic clinical measurements in men with advanced prostate cancer. Data were collected on 97 men who were about to undergo radical prostectomies.

http://www.stat.ufl.edu/~athienit/STA6166/assignment3_1.txt

Each line of the data set ha an identification number and provides information on 8 other variables