Hastie et al. (2001) describe a cancer research study that attempted to associate prostate specific antigens and and a number of prognostic measures in the context of advanced prostate cancer.
Data in the experiment were collected from 97 men who were about to undergo radial prostectomies.
data(prostate)A data frame with 97 observations on the following 4 variables.
PSASerum prostate-specific albumin level (mg/ml).
volTumor volume (cc).
weightProstate weight (g).
GleasonPathologically determined grade of disease. Summed scores were either 6, 7, or 8 with higher scores indicating worse prognosis.
Hastie, T., R. Tibshirani, and J. Friedman (2009) The Elements of Statistical Learning: Data Mining, Inference, and Prediction, Second Edition. Springer.