NAME:  Survival in Liver Surgery Patients
TYPE:  Sample
SIZE:  54 observations, 6 variables

DESCRIPTIVE ABSTRACT:
A hospital unit was interested in predicting survival in patients
undergoing a particular type of liver operation.  A random selection of
54 patients was available for analysis.  Four potential predictor variables
were available for examination.  The response variable, survival time,
was ascertained in a followup study.

SOURCES:
 Neter, Kutner, Nachtsheim, & Wasserman.  Applied Linear Statistical
    Models, 4th edition.  Section 8.2, page 334.

VARIABLE DESCRIPTIONS:

 1. Blood: Blood-Clotting Score
 2. Prog: Prognostic Index, includes age of the patient.
 3. Enzyme: Enzyme Function Test Score
 4. Liver: Liver Function Test Score
 5. Survival: Survival Time (in days?)
 6. logSurv = log(Survival)