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Frailty Models with Missing Covariates
Herring, Amy H.; Ibrahim, Joseph G.; Lipsitz, Stuart R. - In: Biometrics 58 (2002) 1, pp. 98-109
Persistent link: https://www.econbiz.de/10010947009
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Monte Carlo EM for Missing Covariates in Parametric Regression Models
Ibrahim, Joseph G.; Chen, Ming-Hui; Lipsitz, Stuart R. - In: Biometrics 55 (1999) 2, pp. 591-596
Persistent link: https://www.econbiz.de/10010947058
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A Note on Permutation Tests for Variance Components in Multilevel Generalized Linear Mixed Models
Fitzmaurice, Garrett M.; Lipsitz, Stuart R.; Ibrahim, … - In: Biometrics 63 (2007) 3, pp. 942-946
Persistent link: https://www.econbiz.de/10010947282
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A Bivariate Pseudolikelihood for Incomplete Longitudinal Binary Data with Nonignorable Nonmonotone Missingness
Sinha, Sanjoy K.; Troxel, Andrea B.; Lipsitz, Stuart R.; … - In: Biometrics 67 (2011) 3, pp. 1119-1126
Persistent link: https://www.econbiz.de/10010947480
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Likelihood Methods for Incomplete Longitudinal Binary Responses with Incomplete Categorical Covariates
Lipsitz, Stuart R.; Ibrahim, Joseph G.; Fitzmaurice, … - In: Biometrics 55 (1999) 1, pp. 214-223
Persistent link: https://www.econbiz.de/10010947500
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Bias in Estimating Association Parameters for Longitudinal Binary Responses with Drop-Outs
Fitzmaurice, Garrett M.; Lipsitz, Stuart R.; … - In: Biometrics 57 (2001) 1, pp. 15-21
Persistent link: https://www.econbiz.de/10010947599
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Parameter Estimation in Longitudinal Studies with Outcome-Dependent Follow-Up
Lipsitz, Stuart R.; Fitzmaurice, Garrett M.; Ibrahim, … - In: Biometrics 58 (2002) 3, pp. 621-630
Persistent link: https://www.econbiz.de/10010948069
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Incomplete covariates in the Cox model with applications to biological marker data
Leong, Traci; Lipsitz, Stuart R.; Ibrahim, Joseph G. - In: Journal of the Royal Statistical Society Series C 50 (2001) 4, pp. 467-484
Persistent link: https://www.econbiz.de/10005217099
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Review Articles - Missing-Data Methods for Generalized Linear Models: A Comparative Review
Ibrahim, Joseph G.; Chen, Ming-Hui; Lipsitz, Stuart R.; … - In: Journal of the American Statistical Association : JASA 100 (2005) 469, pp. 332-346
Persistent link: https://www.econbiz.de/10006607848
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Bias correction for the proportional odds logistic regression model with application to a study of surgical complications
Lipsitz, Stuart R.; Fitzmaurice, Garrett M.; … - In: Journal of the Royal Statistical Society Series C 62 (2013) 2, pp. 233-250
Persistent link: https://www.econbiz.de/10010642040