منابع مشابه
Postural tachycardia syndrome (POTS).
INTRODUCTION POTS is defined as the development of orthostatic symptoms associated with a heart rate (HR) increment >or=30, usually to >or=120 bpm without orthostatic hypotension. Symptoms of orthostatic intolerance are those due to brain hypoperfusion and those due to sympathetic overaction. METHODS We provide a review of POTS based primarily on work from the Mayo Clinic. RESULTS Females p...
متن کاملSubject Pools and Deception in Agricultural and Resource Economics Experiments
The use of student subjects and the role of deception in economic experiments are two controversial issues that have been widely discussed in the agricultural and resource economics (ARE) community recently. We provide a self-contained methodological discussion of these issues from the perspective of the larger experimental economics community. Our main points are that field professionals are m...
متن کاملMixture Experiments and Their applications in Agricultural Research
Statistical techniques used to analyze data from Mixture Experiments involve fitting Multiple Regression models with the intercept set to zero, Canonical Analysis to determine the shape of the fitted response, and the Response Surface System. One can use Mixture Design Macros (e.g., ADXMIX File) in SAS or the point-and-click ADX Interface of SAS to analyze data and obtain graphs. Contour plot, ...
متن کاملA Method for Analyzing Unreplicated Agricultural Experiments
Many studies are conducted in which replication of units is prohibitive. Traditional methods of hypothesis testing do not allow for analysis of unreplicated experiments. An abundance of subsampling allows for accurate estimation of within-treatment variance, but does not constitute experimental error. The intraclass correlation coefficient (ICC) is a ratio involving both the within-treatment va...
متن کاملBayesian Analysis of Agricultural Field Experiments
JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. Blackwell Publishing and Royal Statistical Society are col...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1897
ISSN: 0028-0836,1476-4687
DOI: 10.1038/055596a0