exponential trend

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• Exponential smoothing — is a technique that can be applied to time series data, either to produce smoothed data for presentation, or to make forecasts. The time series data themselves are a sequence of observations. The observed phenomenon may be an essentially random… …   Wikipedia

• Trend estimation — is a statistical technique to aid interpretation of data. When a series of measurements of a process are treated as a time series, trend estimation can be used to make and justify statements about tendencies in the data. By using trend estimation …   Wikipedia

• Exponential sum — In mathematics, an exponential sum may be a finite Fourier series (i.e. a trigonometric polynomial), or other finite sum formed using the exponential function, usually expressed by means of the function:e(x) = exp(2pi ix).Therefore a typical… …   Wikipedia

• Trend — 1. Begriff: Komponente einer Zeitreihe (⇡ Zeitreihenkomponenten), von der angenommen wird, dass sie evolutionär, längerfristig und nachhaltig wirkt. Der T. ist eine – häufig als linear unterstellte – ⇡ Funktion der Zeit, die die Grundrichtung des …   Lexikon der Economics

• Biodiversity — Some of the biodiversity of a coral reef …   Wikipedia

• Technological singularity — The technological singularity is a theoretical future point of unprecedented technological progress, caused in part by the ability of machines to improve themselves using artificial intelligence. [Harvtxt|Singularity Institute for Artificial… …   Wikipedia

• exponenzielles Glätten — Exponential Smoothing; Verfahren der kurzfristigen direkten ⇡ Prognose auf der Grundlage einer ⇡ Zeitreihe. Ist yT – 1, T der Prognosewert für die Periode T, berechnet unter Verwendung der Vergangenheitsbeobachtungen bis zur Periode T – 1, und xT …   Lexikon der Economics

• Moore's law — Plot of CPU transistor counts against dates of introduction. Note the logarithmic vertical scale; the line corresponds to exponential growth with transistor count doubling every two years …   Wikipedia

• Moving average — For other uses, see Moving average (disambiguation). In statistics, a moving average, also called rolling average, rolling mean or running average, is a type of finite impulse response filter used to analyze a set of data points by creating a… …   Wikipedia

• Average Directional Index — The Average Directional Index (ADX) was developed in 1978 by J. Welles Wilder as an indicator of trend strength in a series of prices of a financial instrument. [cite book | author=Wilder, J. Welles | title=New Concepts in Technical Trading… …   Wikipedia

• List of statistics topics — Please add any Wikipedia articles related to statistics that are not already on this list.The Related changes link in the margin of this page (below search) leads to a list of the most recent changes to the articles listed below. To see the most… …   Wikipedia