PresenceAbsence: AnRPackage for Presence Absence Analysis
نویسندگان
چکیده
منابع مشابه
Absence vs. presence
Methods This is a prospective & observational study. The total sample (120) was divided into two groups, Test (60) and Control (60). Both Test & Control group (Witnessed & Unwitnessed) were contacted over telephone, their psychological state was assessed using a standard stress assessment scale, The Impact of Event Scale (IES) by M. Horowitz et al. A structured proforma was prepared to record t...
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Nearly invariably, phenotypes are reported in the scientific literature in meticulous detail, utilizing the full expressivity of natural language. Both detail and expressivity are usually driven by study-specific research questions. However, research aiming to synthesize or integrate phenotype data across studies or even disciplines is often faced with the need to abstract from detailed observa...
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1. Little consensus has been reached as to general features of spatial variation in beta diversity, a fundamental component of species diversity. This could reflect a genuine lack of simple gradients in beta diversity, or a lack of agreement as to just what constitutes beta diversity. Unfortunately, a large number of approaches have been applied to the investigation of variation in beta diversi...
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The development of materials for language teaching has been retraced from different perspectives. For example, some have identified influences of a social view on designing course books and compiling materials for language classes. The purpose of this article is to focus on the specific case of ELT material, its design and priorities in the context of Iran. This article also offers a detailed a...
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OBJECTIVES To examine how mydriasis and the medical qualifications of photographers who take retinal photographs influence the accuracy of screening for diabetic retinopathy (DR). METHODS Our meta-analysis included studies that measured the sensitivity and specificity of tests designed to detect any DR, sight-threatening DR, or macular edema. Using random-effects logistic regression, we exami...
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ژورنال
عنوان ژورنال: Journal of Statistical Software
سال: 2008
ISSN: 1548-7660
DOI: 10.18637/jss.v023.i11