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    National Tsing Hua University Institutional Repository > 理學院 > 統計學研究所 > 期刊論文 >  Continuous-time capture-recapture models with covariates


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/54098


    Title: Continuous-time capture-recapture models with covariates
    Authors: Hwang WH;Chao A
    教師: 趙蓮菊
    Date: 2002
    Publisher: Academia Sinica, Institute of Statistical Science
    Relation: STATISTICA SINICA,Volume: 12,Issue: 4,Pages: 1115-1131,Published: OCT 2002
    Keywords: ESTIMATING POPULATION-SIZE
    COUNTING-PROCESSES
    REGRESSION-MODELS
    Abstract: This paper develops a class of continuous-time closed capture-recapture models which incorporate the use of covariates such as environmental variables or an individual's characteristics. The capture intensity is allowed to vary with time, behavioural response and heterogeneity. The heterogeneity effect is modeled as a function of observable covariates but no assumptions regarding the time-varying function are made. The proposed hierarchy of models can be regarded as the continuous version of discrete-time models used in ecological applications. A unified likelihood-based approach is proposed to assess the effect of each possibly time-dependent covariate and to obtain population size estimators. Our model generalizes Yip, Huggins and Lin (1996) to incorporate an animal's behavioural response and to make use of all capture frequency data. The approach also extends Lin and Yip (1999) to a more general semi-parametric approach. Simulation results are presented to show the performance of the proposed estimation procedures. The estimators are applied to a set of capture data for house mouse (Mus musculus) discussed in the literature.
    URI: http://www3.stat.sinica.edu.tw/statistica/j12n4/j12n411/j12n411.htm
    http://www3.stat.sinica.edu.tw/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/54098
    Appears in Collections:[統計學研究所] 期刊論文

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