Modeling zero-inflated count series with application to occupational health.

Yau KK; Lee AH; Carrivick PJ

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Modeling zero-inflated count series with application to occupational health.

机译：对零膨胀计数序列进行建模，并将其应用于职业健康。

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A zero-inflated Poisson mixed autoregression model is presented for analyzing time series of count events with excess zeros. The model is motivated by the evaluation of a participatory ergonomics intervention intended to reduce manual handling workplace injuries over a specified time period. Random effects are introduced into the linear predictor of the model to account for serial correlation between successive observations. Parameter estimation is achieved by maximizing an appropriate log-likelihood function to obtain approximate residual maximum likelihood estimates. The method enables the evaluation of occupational intervention using population level aggregated count data series containing extra zeros.

机译：提出了零膨胀的泊松混合自回归模型，用于分析带有过多零的计数事件的时间序列。该模型是通过对参与式人体工程学干预措施进行评估而制定的，该干预措施旨在减少指定时间段内的人工处理工作场所伤害。将随机效应引入模型的线性预测器中，以说明连续观测之间的序列相关性。通过最大化适当的对数似然函数以获得近似的残差最大似然估计来实现参数估计。该方法可以使用包含额外零的人口水平汇总计数数据系列来评估职业干预。

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《Computer Methods and Programs in Biomedicine: An International Journal Devoted to the Development, Implementation and Exchange of Computing Methodology and Software Systems in Biomedical Research and Medical Practice》 |2004年第1期|共6页
作者
Yau KK; Lee AH; Carrivick PJ;
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原文格式 PDF
正文语种 eng
中图分类临床医学;
关键词
Models; Modeling; Evaluation; Occupational Health; estimation; 职业卫生;

机译：Models;Modeling;Evaluation;Occupational Health;estimation;职业卫生;

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1. Modeling zero-inflated count series with application to occupational health. [J] . Yau KK, Lee AH, Carrivick PJ Computer Methods and Programs in Biomedicine: An International Journal Devoted to the Development, Implementation and Exchange of Computing Methodology and Software Systems in Biomedical Research and Medical Practice . 2004,第1期

机译：对零膨胀计数序列进行建模，并将其应用于职业健康。
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Modeling zero-inflated count series with application to occupational health.

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