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      Tutorial on methods for interval-censored data and their implementation in R

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      Statistical Modelling: An International Journal
      SAGE Publications

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          A proportional hazards model for interval-censored failure time data.

          This paper develops a method for fitting the proportional hazards regression model when the data contain left-, right-, or interval-censored observations. Results given for testing the hypothesis of a zero regression coefficient lead to a generalization of the log-rank test for comparison of several survival curves. The method is used to analyze data from an animal tumorigenicity study and also a clinical trial.
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            Censoring issues in survival analysis.

            A key characteristic that distinguishes survival analysis from other areas in statistics is that survival data are usually censored. Censoring occurs when incomplete information is available about the survival time of some individuals. We define censoring through some practical examples extracted from the literature in various fields of public health. With few exceptions, the censoring mechanisms in most observational studies are unknown and hence it is necessary to make assumptions about censoring when the common statistical methods are used to analyze censored data. In addition, we present situations in which censoring mechanisms can be ignored. The effects of the censoring assumptions are demonstrated through actual studies.
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              Ignorability and Coarse Data

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                Author and article information

                Journal
                Statistical Modelling: An International Journal
                Statistical Modelling
                SAGE Publications
                1471-082X
                1477-0342
                December 17 2009
                December 17 2009
                : 9
                : 4
                : 259-297
                Article
                10.1177/1471082X0900900402
                b81be1d1-1508-4513-9491-217c2bc5439b
                © 2009
                History

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