vitcap2 {ISwR} | R Documentation |
The vitcap2
data frame has 84 rows and 3 columns.
Age and vital capacity for workers in the cadmium industry.
vitcap2
This data frame contains the following columns:
group
age
vital.capacity
P. Armitage and G. Berry (1987), Statistical Methods in Medical Research, 2nd ed., Blackwell, p.286.
plot(vital.capacity~age, pch=group, data=vitcap2)