logistic curve

logistic curve
noun Date: 1928 an S-shaped curve that represents an exponential function and is used in mathematical models of growth processes

New Collegiate Dictionary. 2001.

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  • logistic curve — Math. a curve, shaped like a letter S, defined as an exponential function and used to model various forms of growth. [1900 05] * * * …   Universalium

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  • Logistic function — A logistic function or logistic curve is the most common sigmoid curve. It modelsthe S curve of growth of some set P . The initial stage of growth is approximately exponential; then, as saturation begins, the growth slows, and at maturity, growth …   Wikipedia

  • Logistic regression — In statistics, logistic regression is a model used for prediction of the probability of occurrence of an event by fitting data to a logistic curve. It makes use of several predictor variables that may be either numerical or categorical. For… …   Wikipedia

  • logistic — I. adjective or logistical Date: 1918 1. a. of or relating to symbolic logic b. of or relating to the philosophical attempt to reduce mathematics to logic 2. of or relating to logistics 3. (logistic) of, represented by, or relating to a logistic… …   New Collegiate Dictionary

  • logistic — 1. adjective /ləˈdʒɪs.tɪk,lɒdʒˈɪs.tɪk,ləˈdʒɪs.tɪk,loʊˈdʒɪs.tɪk/ a) Relating to logistics. b) Relating to symbolic logic. 2. noun /ləˈdʒɪs.tɪk,lɒdʒˈɪs.tɪk,ləˈdʒɪs.tɪk,loʊˈdʒɪs.tɪk/ A logistic function or graph of a log …   Wiktionary

  • logistic function — noun A function, the result of the division of two exponential functions, that gives rise to the logistic curve …   Wiktionary

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