Simplicity Isn't That Simple
نویسندگان
چکیده
منابع مشابه
The splitting design that leads to simple random sampling
Implementing unequal probability sampling, without replacement, is very complex and several methods have been suggested for its performance, including : Midseno design and systematic design. One of the methods that have been introduced by Devil and Tille (1998) is the splitting design that leads to simple random sampling .in this paper by completely explaining the design, with an example, we ha...
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Perhaps the most famous equation in science is E = mc2; it also represents one of the best-known scientific insights. But why does Einstein’s equation about the conservation of energy enjoy such popularity? Is it because it is easily and instinctively understood, or because it is widely taught in schools? I doubt that either explanation is true; rather, its appeal is its elegant simplicity with...
متن کاملIt's not that simple.
TO THE EDITOR—We read with great interest the article by Chen et al, and we appreciate their effort to formulate a simple clinical prediction rule for nonTyphi Salmonella (NTS) vascular infections to minimize imaging, with its high costs and possible contrast-related adverse reactions [1]. However, we believe the study has important limitations in data analysis and result interpretation. The au...
متن کاملThe ISNT rule and differentiation of normal from glaucomatous eyes.
OBJECTIVE To determine whether the ISNT rule (that normal eyes show a characteristic configuration for disc rim thickness of inferior > or = superior > or = nasal > or = temporal), widely used for clinical evaluation of the optic nerve head, can differentiate normal from glaucomatous eyes. METHODS All subjects underwent complete eye examination, including achromatic automated perimetry, simul...
متن کاملFactors Affecting ISNT Rule Satisfaction in Normal and Glaucomatous Eyes
PURPOSE To determine the factors that influence the satisfaction of the 'ISNT rule' (neural rim width: inferior ≥ superior ≥ nasal ≥ temporal) in normal and glaucomatous eyes. METHODS The medical records of patients that visited Boramae Medical Center, Seoul, Korea, were reviewed. Each group of normal and glaucomatous eyes was divided into subgroups based on whether or not they satisfied the ...
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ژورنال
عنوان ژورنال: Geographical Analysis
سال: 2010
ISSN: 0016-7363
DOI: 10.1111/j.1538-4632.1970.tb00869.x