R/lalonde.R

#'Data from National Supported Work Demonstration and PSID, as analyzed by Dehejia and Wahba (1999)
#'
#'This is a subsample of the data from the treated group in the National Supported
#'Work Demonstration (NSW) and the comparison sample from the Current Population 
#'Survey (CPS). This data was previously analyzed extensively by Lalonde (1986) 
#'and Dehejia and Wahba (1999). This data set is identical to the one in the 
#'MatchIt package.
#'
#'@format A data frame with 313 observations (185 treated, 429 control). 
#'There are 10 variables measured for each individual. "treat" is the 
#'treatment assignment (1=treated, 0=control). "age" is age in years. 
#'"educ" is education in number of years of schooling. "black" is an 
#'indicator for African-American (1=African-American, 0=not). "hispan" 
#'is an indicator for being of Hispanic origin (1=Hispanic, 0=not). "married" 
#'is an indicator for married (1=married, 0=not married). "nodegree" is an 
#'indicator for whether the individual has a high school degree (1=no degree, 
#'0=degree). "re74" is income in 1974, in U.S. dollars. "re75" is income in 
#'1975, in U.S. dollars. "re78" is income in 1978, in U.S. dollars.
#'
#'@references
#'Lalonde, R. (1986). Evaluating the econometric evaluations of training programs with experimental data. American Economic Review 76: 604-620.
#'
#'Dehejia, R.H. and Wahba, S. (1999). Causal Effects in Nonexperimental Studies: Re-Evaluating the Evaluation of Training Programs. Journal of the American Statistical Association 94: 1053-1062.
#'@name lalonde
#'@docType data
#'@keywords data
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davidkane9/kmatching documentation built on May 15, 2019, 1:14 a.m.