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DFFITS. In statistics, DFFIT and DFFITS ("difference in fit (s)") are diagnostics meant to show how influential a point is in a linear regression, first proposed in 1980. [ 1] DFFIT is the change in the predicted value for a point, obtained when that point is left out of the regression: where and are the prediction for point i with and without ...
Title page of Lucubrationes, 1541 edition, one of the first books to use a variant of the word encyclopedia in the title. An encyclopedia ( American English) or encyclopaedia ( British English) [ 1] is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline. [ 2][ 3 ...
Diversification (marketing strategy) Diversification is a corporate strategy to enter into or start new products or product lines, new services or new markets, involving substantially different skills, technology and knowledge. Diversification is one of the four main growth strategies defined by Igor Ansoff in the Ansoff Matrix: [1] Products.
Optimal. yes (for unweighted graphs) In computer science, iterative deepening search or more specifically iterative deepening depth-first search [1] (IDS or IDDFS) is a state space /graph search strategy in which a depth-limited version of depth-first search is run repeatedly with increasing depth limits until the goal is found.
An inclinometer or clinometer is an instrument used for measuring angles of slope, elevation, or depression of an object with respect to gravity 's direction. It is also known as a tilt indicator, tilt sensor, tilt meter, slope alert, slope gauge, gradient meter, gradiometer, level gauge, level meter, declinometer, and pitch & roll indicator.
Horizontal dilution of precision VDOP Vertical dilution of precision PDOP Position (3D) dilution of precision TDOP Time dilution of precision GDOP Geometric dilution of precision. These values follow mathematically from the positions of the usable satellites. Signal receivers allow the display of these positions (skyplot) as well as the DOP values.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
The Great Ordovician Biodiversification Event ( GOBE ), was an evolutionary radiation of animal life throughout [1] the Ordovician period, 40 million years after the Cambrian explosion, [2] whereby the distinctive Cambrian fauna fizzled out to be replaced with a Paleozoic fauna rich in suspension feeder and pelagic animals.