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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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GEE with Gaussian Estimation of the Correlations When Data Are Incomplete
Lipsitz, Stuart R.; Molenberghs, Geert; Fitzmaurice, … - In: Biometrics 56 (2000) 2, pp. 528-536
Persistent link: https://www.econbiz.de/10010946614
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Selection Models and Pattern-Mixture Models for Incomplete Data with Covariates
Michiels, Bart; Molenberghs, Geert; Lipsitz, Stuart R. - In: Biometrics 55 (1999) 3, pp. 978-983
Persistent link: https://www.econbiz.de/10010946685
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A Global Goodness-of-Fit Statistic for Cox Regression Models
Parzen, Michael; Lipsitz, Stuart R. - In: Biometrics 55 (1999) 2, pp. 580-584
Persistent link: https://www.econbiz.de/10010947842