Arguments
set
Case-control set: a numeric vector
d
Case or control: a numeric vector (1=case, 0=control)
gall
Gall bladder disease: a factor with levels
No
Yes
hyp
Hypertension: a factor with levels
No
Yes
ob
Obesity: a factor with levels
No
Yes
est
a factor with levels
No
Yes
dur
Duration of conjugated oestrogen therapy: an ordered factor with levels
0
< 1
< 2
< 3
< 4
non
Use of non oestrogen drugs: a factor with levels
No
Yes
duration
Months of oestrogen therapy: a numeric vector
cest
Conjugated oestrogen dose: an ordered factor with levels
0
< 1
< 2
< 3
agegrp
a factor with levels
55-59
60-64
65-69
70-74
75-79
80-84
age3
a factor with levels
<64< code="">
65-74
75+
64<>
format
This data frame contains the following columns:source
Breslow NE, and Day N, Statistical Methods in Cancer Research. Volume
I: The Analysis of Case-Control Studies. IARC Scientific
Publications, IARC:Lyon, 1980.