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Browsing Mathematics & Statistics by Author "Peng, Defen"

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Browsing Mathematics & Statistics by Author "Peng, Defen"

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  • MacKenzie, Gilbert; Peng, Defen (2014)
    In the parametric regression models with categorical covariates, it is well known that many key quantities of interest are invariant to the choice of reference subclass. However, surprisingly, not all quantities are ...
  • MacKenzie, Gilbert; Peng, Defen (IWSM, 2010)
    We present a general likelihood for interval censored survival data arising in longitudinal studies such as longitudinal randomized controlled clinical trials (RCTs) and give some general formulae for inference in ...
  • Peng, Defen; MacKenzie, Gilbert (IWSM, 2007)
    We develop an analysis of the reliability of reliability data following a negative exponential distribution and subject to type I censoring. Our main focus is to determine the role of the particular analytical approach ...
  • Peng, Defen; MacKenzie, Gilbert (IWSM, 2011)
    Recently, several advances have been made in the analysis of interval censored (IC) data mainly in relation to semi-parametric proportional hazard (PH) models (Gómez et al., 2009, Lesaffre et al., 2005). It is arguable, ...
  • Peng, Defen; Burke, Kevin; MacKenzie, Gilbert (IWSM, 2018)
    The Weibull multi-parameter regression (MPR) model with frailty is developed for interval censored survival data. The basic MPR model which is wholly parametric with non-proportional hazards was developed by Burke ...

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