logistic growth

logistic growth

[lə′jis·tik ′grōth]
(biology)
Population growth in which the growth rate decreases with increasing number of individuals until it becomes zero when the population reaches a maximum.
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The weight at the inflection point is defined as 37% of the asymptoticweight in the Gompertz model, as 50% in the Logistic growth function and as 30% inthe Von Bertalanffy model (Akbas and Oguz, 1998).
Growth curves were fitted with least squares method for each case using four growth models, the von Bertalanffy growth equation, the logistic growth equation, the Gompertz model and Richards equation (Haddon, 2010).
In order to fit a best logistic growth curve and predict the future of natural gas production, the best possible calculation of ultimate reserves is essential.
According to the results of goodness of fit in Gompertz and Logistic growth curve models the coefficient of determination (R2) and adjusted coefficient of determination (adj.
The method will be illustrated by some simulation scenarios according to the logistic growth curve model and the CovRatio measure used to evaluate the impact of an influential observation in determining the covariance matrix of estimated parameters.
There is a view in the economic theory that each manufacturing activity is subject to the logistic growth law, whose forms are e.
In doing so, the paper attempts to trace the development trajectories based on logistic growth function considering technology stock and economic growth in three most government owned performing firms in R&D; Perusahaan Otomobil National (Proton), Tenaga Nasional Bhd (TNB) and Golden Hope Plantations.
Examples of topics discussed include coding theory, modeling of space travel, the statistics of political polls and surveys, models for logistic growth processes, illustrating geometric concepts using rugby and snooker, and digital images.
Finally, the fourth type of curve is the logistic growth law, the most common sigmoid type curve and a relationship, which has played a prominent part in the study of the growth of human populations.
The choice of a parsimonious model depends on the nature and population trend, the model may be the linear and nonlinear including the first and higher degree regression models, simple exponential and Modified Exponential, Gompertz and Logistic growth models.

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