R Dataset / Package DAAG / nsw74psid3
Labour Training Evaluation Data
These data are pertinent to an investigation of the way that
earnings changed, between 1974-1975 and 1978, in the absence
of training. The data frame combines data for the experimental treatment
group (NSW, 185 observations), using as control data results from the PSID
(Panel Study of Income Dynamics) study (128 observations). The latter
were chosen to mimic the characteristics of the NSW training
and control groups. These are a subset of the
This data frame contains the following columns:
a numeric vector identifying the study in which the subjects were enrolled (0 = PSID, 1 = NSW)
age (in years)
years of education
(0 = not black, 1 = black)
(0 = not hispanic, 1 = hispanic)
(0 = not married, 1 = married)
(0 = completed high school, 1 = dropout)
real earnings in 1974
real earnings in 1975
real earnings in 1978
Dehejia, R.H. and Wahba, S. 1999. Causal effects in non-experimental studies: re-evaluating the evaluation of training programs. Journal of the American Statistical Association 94: 1053-1062.
Lalonde, R. 1986. Evaluating the economic evaluations of training programs. American Economic Review 76: 604-620.
print("Contingency Tables - Example 4.4") table(nsw74psid3$trt, nsw74psid3$nodeg) chisq.test(table(nsw74psid3$trt,nsw74psid3$nodeg))
Dataset imported from https://www.r-project.org.
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