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 — noun : a curve representing a function involving an exponential and shaped like the letter S a mass of data on growth of subhuman and human populations, of the number of governmental functions, growth of production, inventions, state laws and so… …   Useful english dictionary

  • logistic curve — noun an S shaped curve that models the growth of many ecosystems See Also: logistic function …   Wiktionary

  • logistic curve — Growth of a population with time as described by a sigmoid curve; begins slowly, increases rapidly, and grows slowly or not at all as the population fills available sites …   Dictionary of invertebrate zoology

  • 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

  • logistic curve — an S shaped curve that describes population growth under limiting conditions as a function of time; when the population is low, growth begins slowly, then becomes rapid and increases exponentially, finally slowing down and reaching equilibrium as …   Medical dictionary

  • 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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