Description

Survival times for two groups of lymphoma patients.

Usage

Format

A data frame with 34 observations on the following 4 variables.

Months

months after diagnosis

Group

a factor with levels "no" and "radiation"

Survived

number of patients known to survive beyond this month

Died

number of patients known to die after this many months

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Neuwelt, E.A., Goldman, D.L., Dahlborg, S.A., Crossen, J., Ramsey, F., Roman-Goldstein, S., Braziel, R. and Dana, B. (1991). Primary CNS Lymphoma Treated with Osmotic Blood-brain Barrier Disruption: Prolonged Survival and Preservation of Cognitive Function, Journal of Clinical Oncology 9(9): 1580–1590.

Examples