共 7 条
[5]
Causal Effects in Nonexperimental Studies: Reevaluating the Evaluation of Training Programs[J] . Rajeev H. Dehejia,Sadek Wahba.Journal of the American Statistical Association . 1999 (448)
[6]
Assignment to Treatment Group on the Basis of a Covariate[J] . Journal of Educational Statistics . 1977 (1)
[7]
Constructing a control group using multivariate matched sampling methods that incorporate the propensity score. Rosenbaum,P.R.,Rubin,D.B. The American Statistician . 1985