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Joseph L. Schafer

Affiliations: 
Pennsylvania State University, State College, PA, United States 
Area:
Statistics
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"Joseph Schafer"
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Recai M. Yucel grad student 2000 Penn State
Hwan Chung grad student 2003 Penn State
Hakan Demirtas grad student 2003 Penn State
Hyekyung Jung grad student 2007 Penn State

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Publications

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Schafer JL. (2012) Marginal Modeling of Intensive Longitudinal Data by Generalized Estimating Equations Models For Intensive Longitudinal Data
Chung H, Anthony JC, Schafer JL. (2011) Latent class profile analysis: an application to stage-sequential process in early-onset drinking behaviours. Journal of the Royal Statistical Society. Series a, (Statistics in Society). 174: 689-712
Chung H, Anthony JC, Schafer JL. (2011) Latent class profile analysis: An application to stage sequential processes in early onset drinking behaviours Journal of the Royal Statistical Society. Series a: Statistics in Society. 174: 689-712
Jung H, Schafer JL, Seo B. (2011) A latent class selection model for nonignorably missing data Computational Statistics and Data Analysis. 55: 802-812
Harel O, Schafer JL. (2009) Partial and latent ignorability in missing-data problems Biometrika. 96: 37-50
Schafer JL, Kang J. (2008) Average causal effects from nonrandomized studies: a practical guide and simulated example. Psychological Methods. 13: 279-313
Lanza ST, Collins LM, Lemmon DR, et al. (2007) PROC LCA: A SAS Procedure for Latent Class Analysis. Structural Equation Modeling : a Multidisciplinary Journal. 14: 671-694
Bernaards CA, Belin TR, Schafer JL. (2007) Robustness of a multivariate normal approximation for imputation of incomplete binary data. Statistics in Medicine. 26: 1368-82
Chung H, Flaherty BP, Schafer JL. (2006) Latent class logistic regression: Application to marijuana use and attitudes among high school seniors Journal of the Royal Statistical Society. Series a: Statistics in Society. 169: 723-743
Lanza ST, Collins LM, Schafer JL, et al. (2005) Using data augmentation to obtain standard errors and conduct hypothesis tests in latent class and latent transition analysis. Psychological Methods. 10: 84-100
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