A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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designed to test whether one treatment is not worse than another.
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polr refers to a R function in package MASS for ordered logistic or probit regression.
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A pivot table shows a summary table of data from a larger table generally with an interactive graphical interface; it is seen in software such as spreadsheets.
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A family of high-level, general-purpose, interpreted, dynamic programming languages.
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A commercial implementation of the S programming language.
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Many computational statistical problems (including some estimation problems, such as fitting GLMs) cannot be solved in a single calculation step - their algorithms must be iterated repeatedly until co…
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singular when its determinant is 0; for such matrices, the inverse is not defined.
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Sir Ronald Fisher was one of the founders of modern statistics. Use this tag for questions pertaining to the man or his philosophy, etc. Otherwise, consider using more specific tags, such as [fisherse…
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a R package allows an R programmer to perform statistical analysis via MapReduce on a Hadoop cluster.
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to evaluate in a timely manner a paper for publication in a specific journal or conference proceedings.
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an open-source server-side scripting language widely used in web development.
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plyr refers to a set of tools for splitting, applying and combining data in R.
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Population average model assesses the association between X and Y based on averaging over the random effects, rather than the one for an individual subject (subject specific model).
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for statistical puzzles that challenge the ingenuity of the solver. (Do not use the tag "games" for this purpose.)
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a graphical approach (toolkit) to visualization. It uses JavaScript and SVG for web-native visualizations
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NP stands for nondeterministic polynomial time. One characterization: the set of decision problems solved by a nondeterministic Turing machine in polynomial time.
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a function for fitting a nonlinear mixed model with nested or crossed grouping factors for the random effects.
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A numerical method for solving ordinary differential equations (ODEs).