Factors associated with prostate specific antigen

Data from a study by by Stamey et al. (1989) to examine the association between prostate specific antigen (PSA) and several clinical measures that are potentially associated with PSA in men who were about to receive a radical prostatectomy.

Prostate

Format

A list of two objects: y and X

y

Log PSA

X

A matrix with 97 instances (rows) and 8 predictor variables (columns). The remainder of this list describes the columns of X

lcavol

Log cancer volume

lweight

Log prostate weight

age

The man's age (years)

lbph

Log of the amount of benign hyperplasia

svi

Seminal vesicle invasion (1=Yes, 0=No)

lcp

Log of capsular penetration

gleason

Gleason score

pgg45

Percent of Gleason scores 4 or 5

Source

https://web.stanford.edu/~hastie/ElemStatLearn/

References

• Hastie T, Tibshirani R, and Friedman J. (2001). The Elements of Statistical Learning. Springer.

• Stamey T, et al. (1989). Prostate specific antigen in the diagnosis and treatment of adenocarcinoma of the prostate. II. Radical prostatectomy treated patients. Journal of Urology, 16: 1076-1083.