- id
a numeric vector. Patient code.
- status
a numeric vector code. Survival status. 9: dead from myocardial
infarction, 0: alive, 7: dead from other causes.
- time
a numeric vector. Survival time in years.
- chf
a numeric vector code. Clinical heart pump failure, 1: present, 0: absent.
- diabetes
a numeric vector code. Diabetes, 1: present, 0: absent.
- vf
a numeric vector code. Ventricular fibrillation, 1: present, 0: absent.
- wmi
a numeric vector. Measure of heart pumping effect based on ultrasound
measurements where 2 is normal and 0 is worst.
- sex
a numeric vector code. 1: female, 0: male.
- age
a numeric vector code. Age of patient.