Gompertz function — A Gompertz curve or Gompertz function, named after Benjamin Gompertz, is a sigmoid function. It is a type of mathematical model for a time series, where growth is slowest at the start and end of a time period.:y(t)=ae^{be^{ctwhere * a is the… … Wikipedia
Benjamin Gompertz — (March 5, 1779 July 14, 1865, London, England), was a self educated mathematician, denied admission to university because he was Jewish. Nevertheless he was made Fellow of the Royal Society in 1819. Gompertz is today mostly known for his Gompertz … Wikipedia
Shifted Gompertz distribution — Probability distribution name = Shifted Gompertz type =density pdf cdf parameters =b>0 scale (real) eta>0 shape (real) support =x in mathbb{R}^+ pdf =b e^{ bx} e^{ eta e^{ bxleft [1 + etaleft(1 e^{ bx} ight) ight] cdf =left(1 e^{ bx} ight)e^{ eta … Wikipedia
Bass diffusion model — The Bass diffusion model was developed by Frank Bass and describes the process how new products get adopted as an interaction between users and potential users. The model is widely used in forecasting, especially product forecasting and… … Wikipedia
Malthusian growth model — The Malthusian growth model, sometimes called the simple exponential growth model, is essentially exponential growth based on a constant rate of compound interest. The model is named after the Reverend Thomas Malthus, who authored An Essay on the … Wikipedia
Biological immortality — refers to a stable rate of mortality as a function of chronological age. Some individual cells and entire organisms in some species achieve this state either throughout their existence or after living long enough. This requires that death occur… … Wikipedia
Dikerogammarus villosus — Dikerogammarus villosus … Wikipédia en Français
Senescence — refers to the biological processes of a living organism approaching an advanced age (i.e., the combination of processes of deterioration which follow the period of development of an organism). The word senescence is derived from the Latin word… … Wikipedia
Altern — Die Zeit befiehlt dem Alter, die Schönheit zu zerstören, Ölgemälde von Pompeo Batoni aus dem Jahr 1746 … Deutsch 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
Ageing — This article is about human ageing. For other uses, see Ageing (disambiguation). A human face showing signs of ageing Ageing (British English) or aging (American English) is the accumulation of changes in a person over time.[1] Ageing in humans… … Wikipedia
