منابع مشابه
Statistical Methods in Diagnostic Medicine using SAS Software
An important goal in diagnostic medicine research is to estimate and compare the accuracies of diagnostic tests, which serve two purposes 1) providing reliable information about a patient’s condition and 2) influencing patient care. In developing screening tools, researchers often evaluate the discriminating power of the screening test by concentrating on the sensitivity and specificity of the ...
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UNLABELLED The concept of evidence based medicine (EBM) as the integration of clinical expertise, patient values and the best evidence was introduced by David Sackett in the 1980s. Scientific literature in medicine is often marked by expansion, acummulation and quick expiration. Reading all important articles to keep in touch with relevant information is impossible. Finding the best evidence th...
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In genome-wide association studies (GWAS), researchers analyze the genetic variation across the entire human genome, searching for variations that are associated with observable traits or certain diseases. There are several inference challenges in GWAS, including the huge number of genetic markers to test, the weak association between truly associated markers and the traits, and the correlation...
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Common methods of statistical analysis, e.g. Analysis of Variance and Discriminant Analysis, are not necessarily optimal in selecting therapy for an individual patient. These methods rely on group differences to identify markers for disease or successful interventions and ignore sub-group differences when the number of sub-groups is large. In these circumstances, they provide the same advice to...
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Background: Entrepreneurship can be considered as an educable and trainable matter. Increasing entrepreneurship training causes improvement in entrepreneurial culture indicators and as a result, the growth of entrepreneurship and the institutionalization of the culture. On the other hand, with the growth of an entrepreneurial culture, educational level changes and leads to economical growth ...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 1949
ISSN: 1040-2446
DOI: 10.1097/00001888-194907000-00003