Wahba, Sadek M.
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1

Variable selection and model building via likelihood basis ..:

, In: Journal of the American Statistical Association / ed. W. Allen Wallis
Zhang, Hao Helen ; Wahba, Grace ; Voelker, Meta... (2004)  467 - p. 659-672
Copies: Zentrale;
 
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2

Propensity score-matching methods for nonexperimental causa..:

, In: The review of economics and statistics / publ. for Harvard University
Dehejia, Rajeev H.. (2002)  1 - p. 151-161
Copies: Zentrale;
 
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Propensity score matching methods for non-experimental caus.. 

NBER working paper series ; 6829
Copies:  Zentrale:Magazin bc 1286-6829
 
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4

Causal effects in non-experimental studies 

re-evaluating the evaluation of training programs  NBER working paper series ; 6586
Copies:  Zentrale:Magazin bc 1286-6586
 
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