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SDTM (Study Data Tabulation Model) defines a standard structure for human clinical trial (study) data tabulations and for nonclinical study data tabulations that are to be submitted as part of a product application to a regulatory authority such as the United States Food and Drug Administration (FDA).
In the 19th century, Sir William Thomson made a hypothesis that the chemical elements were based upon knotted vortices in the aether. [2] In an attempt to make a periodic table of the elements, P. G. Tait, C. N. Little and others started to attempt to count all possible knots. [3]
Case Report Tabulation Data Definition Specification (CRT-DDS) Also referred to as "define.xml", a machine readable version of the regulatory submission "define.pdf". Clinical Data Acquisition Standards Harmonization (CDASH) [6] Defines a minimal data collection set for sixteen safety SDTM Domains, harmonizing element names, definitions and ...
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Journal of Classification is a peer-reviewed academic journal published by Springer Science+Business Media.It is the official journal of The Classification Society. [1] The journal publishes three issues a year on topics in the field of classification, numerical taxonomy, multidimensional scaling and other ordination techniques, cluster analysis, tree structures and other network models.
Krippendorff's alpha coefficient, [1] named after academic Klaus Krippendorff, is a statistical measure of the agreement achieved when coding a set of units of analysis.. Since the 1970s, alpha has been used in content analysis where textual units are categorized by trained readers, in counseling and survey research where experts code open-ended interview data into analyzable terms, in ...
Tables are widely used in communication, research, and data analysis. Tables appear in print media, handwritten notes, computer software, architectural ornamentation, traffic signs, and many other places. The precise conventions and terminology for describing tables vary depending on the context.
For physics papers the Physics and Astronomy Classification Scheme (PACS) is often used. Due to the large overlap between mathematics and physics research it is quite common to see both PACS and MSC codes on research papers, particularly for multidisciplinary journals and repositories such as the arXiv.