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Browsing Departments Science and Engineering by Author "MacKenzie, Gilbert"

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Browsing Departments Science and Engineering by Author "MacKenzie, Gilbert"

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  • MacKenzie, Gilbert; Xu, Jing (IWSM, 2009)
    The history of space-time clustering concepts and methods are re- viewed briefly. The space-time clustering model of Ederer et al is investigated in detail. This method has been used extensively in the epidemiological ...
  • Sheikhi, Ali (Univerisyt of Limerick, 2014)
    A single nucleotide polymorphism, or SNP, is a site of the genome where variation occurs within a population. Almost all SNPs have only two alleles (variants). Variations in the DNA sequences of humans can affect how ...
  • Bridgman, Stephen A.; Walley, Gayle; MacKenzie, Gilbert; Clement, Darren; Griffiths, David; Maffulli, Nicola (Elsevier, 2009)
    In a prospective single-centre longitudinal randomized controlled trial 116 patients were allocated to the sub-vastus approach, and 115 to the medial parapatellar approach. At one week follow-up, compared to baseline, range ...
  • Bridgman, Stephen A.; Walley, Gayle; MacKenzie, Gilbert; Clement, Darren; Griffiths, David; Maffulli, Nicola (BioMed Central Ltd.,, 2006)
    Background: Thirty thousand knee replacements are performed annually in the UK. There is uncertainty as to the best surgical approach to the knee joint for knee arthroplasty. We planned a randomised controlled trial to ...
  • MacKenzie, Gilbert (IWSM, 1999)
    In longitudinal studies with a set of continuous or ordinal repeated response variables it may be convenient to summarise the outcome as a threshold event. Then, the time to this event becomes of interest. This is ...
  • Burke, Kevin; MacKenzie, Gilbert (IWSM, 2011)
    We aim to explore the survival distributions based on the extreme dispersion, XD, models proposed by Jørgensen (2010). It is suggested that survival times can be modelled within the XD framework by taking log T = Y ~ ...
  • Lynch, Joseph (University of Limerick, 2011)
    In the survival analysis literature, the standard model for data analysis is the semi-parametric Proportional Hazard (PH) model of Cox (1972). MacKenzie (1996) introduced the Generalised Time Dependent Logistic (GTDL) ...
  • 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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