
nickel
study.
data(ewrates)
id : |
Subject identifier (numeric) |
year |
Calendar period, 1931: 1931--35, 1936: 1936--40, ... |
age |
Age class: 10: 10--14, 15:15--19, ... |
lung |
Lung cancer mortality rate per 1,000,000 py. |
nasal |
Nasal cancer mortality rate per 1,000,000 py. |