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cumulative function curve

См. также в других словарях:

  • Cumulative frequency analysis — is the applcation of estimation theory to exceedance probability (or equivalently to its complement). The complement, the non exceedance probability concerns the frequency of occurrence of values of a phenomenon staying below a reference value.… …   Wikipedia

  • Lorenz curve — The Lorenz curve is a graphical representation of the cumulative distribution function of a probability distribution; it is a graph showing the proportion of the distribution assumed by the bottom y % of the values. It is often used to represent… …   Wikipedia

  • Error function — Plot of the error function In mathematics, the error function (also called the Gauss error function) is a special function (non elementary) of sigmoid shape which occurs in probability, statistics and partial differential equations. It is defined …   Wikipedia

  • Species discovery curve — In ecology, the species Discovery Curve is a graph recording the cumulative number of species of living things recorded in a particular environment as a function of the cumulative effort expended searching for them (usually measured in person… …   Wikipedia

  • Experience curve effects — Experience curve re directs here. For its use in video games see Experience point. The learning curve effect and the closely related experience curve effect express the relationship between experience and efficiency. As individuals and/or… …   Wikipedia

  • 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

  • Sigmoid function — The logistic curve Plot of the error function …   Wikipedia

  • Bathtub curve — The bathtub curve is widely used in reliability engineering, although the general concept is also applicable to humans. It describes a particular form of the hazard function which comprises three parts:*The first part is a decreasing failure rate …   Wikipedia

  • Stretched exponential function — Figure 1. Illustration of a stretched exponential fit (with β=0.52) to an empirical master curve. For comparison, a least squares single and a double exponential fit are also shown. The data are rotational anisotropy of anthracene in… …   Wikipedia

  • Hypsometric curve — A hypsometric curve is an empirical cumulative distribution function of elevations in a catchment. Differences in hypsometric curves between landscapes arise because the geomorphic processes that shape the landscape may be different.The… …   Wikipedia

  • probability density function — in statistics, a mathematical function that describes the distribution of measurements for a population; a curve that describes a population. Its integral is the cumulative distribution function, so the probability that an individual measurement… …   Medical dictionary

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