Volume 12, Number 1 (March 2013)                   JIRSS 2013, 12(1): 35-69 | Back to browse issues page


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Cook R J, Lawless J F. Concepts and Tests for Trend in Recurrent Event Processes. JIRSS. 2013; 12 (1) :35-69
URL: http://jirss.irstat.ir/article-1-209-en.html

Abstract:   (4022 Views)
Interest in the presence and nature of trend arises frequently in science, public health, technology, and many other areas. In this ar- ticle we discuss the notion of trend in the context of recurrent event processes. We discuss different frameworks within which one can inves- tigate trend and consider various ways in which trends may be manifest. Tests for trend are discussed in detail and the utility of intensity-based models is emphasized for characterizing event processes and understand- ing trends. Simulation studies are conducted to study the effect of het- erogeneity in the investigation of trend. Data from a study of hospi- talization patterns in patients with affective disorder are analysed for illustration.
Full-Text [PDF 409 kb]   (1740 Downloads)    
Subject: 60: Probability theory and stochastic processes
Received: 2013/04/13 | Accepted: 2015/09/12

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