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  1. No Access

    Article

    On estimation of covariate-specific residual time quantiles under the proportional hazards model

    Estimation and inference in time-to-event analysis typically focus on hazard functions and their ratios under the Cox proportional hazards model. These hazard functions, while popular in the statistical litera...

    Luis Alexander Crouch, Susanne May, Ying Qing Chen in Lifetime Data Analysis (2016)

  2. No Access

    Article

    Performance of goodness-of-fit tests for the Cox proportional hazards model with time-varying covariates

    There are few readily-implemented tests for goodness-of-fit for the Cox proportional hazards model with time-varying covariates. Through simulations, we assess the power of tests by Cox (J R Stat Soc B (Method...

    Shannon Grant, Ying Qing Chen, Susanne May in Lifetime Data Analysis (2014)

  3. No Access

    Article

    A Cautionary Note on the Use of the Grønnesby and Borgan Goodness-of-Fit Test for the Cox Proportional Hazards Model

    Grønnesby and Borgan (1996, Lifetime Data Analysis 2, 315–328) propose an omnibus goodness-of-fit test for the Cox proportional hazards model. The test is based on grou** the subjects by their estimated risk sc...

    Susanne May, David W. Hosmer in Lifetime Data Analysis (2004)

  4. No Access

    Article

    A Simplified Method of Calculating an Overall Goodness-of-Fit Test for the Cox Proportional Hazards Model

    Gronnesby and Borgan (1996) propose an overall goodness-of-fit test for the Cox proportional hazards model. The basis of their test is a grou** of subjects by their estimated risk score. We show that the Gro...

    Susanne May, David W. Hosmer in Lifetime Data Analysis (1998)