These data are used in the book "Computational Statistics" 
by G.H. Givens and J.A. Hoeting.

Name: cancersurvival.dat
Chapter: 9
Discussed in: Problem 9.5

Source: Excerpts from Table 1 in E. Cameron and L. Pauling,
"Supplemental ascorbate in the supportive treatment of cancer:
Re-evaluation of prolongation of survival times in terminal human
cancer", Proceedings of the National Academy of Science, 1978, 75,
4538-4542.

Description: Survival times (days) for patients with terminal stomach
(disease=1) and breast (disease=2) cancer.  Both groups were treated
with ascorbate.

Variable labels: survivaltime, disease