Variables:
This data frame contains the following columns:
- trt
-
a numeric vector
- age
-
a numeric vector
- educ
-
a numeric vector
- black
-
a numeric vector
- hisp
-
a numeric vector
- marr
-
a numeric vector
- nodeg
-
a numeric vector
- re74
-
a numeric vector
- re75
-
a numeric vector
- re78
-
a numeric vector
Details
This data set was obtained using:
here <- age <= 40 & re74<=5000 & re75 <= 5000 & re78 < 30000
nsw74psidA <- nsw74psid1[here, ]