amlxray {faraway} | R Documentation |
A matched case control study carried out to investigate the connection between X-ray usage and acute myeloid leukemia in childhood. The pairs are matched by age, race and county of residence.
data(amlxray)
A data frame with 238 observations on the following 11 variables.
ID
disease
Sex
F
or M
downs
no
or yes
age
Mray
no
or yes
MupRay
no
or yes
MlowRay
no
or yes
Fray
no
or yes
Cray
no
or yes
CnRay
1
=none
< 2
=1 or 2 < 3
=3 or 4 < 4
= 5 or moreChap T. Le (1998) "Applied Categorical Data Analysis" Wiley.