A primer on logistic growth and substitution: the mathematics of the Loglet Lab software
Article Abstract:
The fundamental mathematics of the Loglet Lab software package for loglet analysis are described. 'Loglet analysis' combines the words 'logistic' and 'wavelet' and pertains to the decomposition of growth and diffusion into S-shaped logistic elements quite similar to wavelet analysis. Loglet analysis consists of two models, namely the component logistic model and the logistic substitution model. The Loglet Lab software helps users to perform loglet analysis on any appropriate time-series data set.
Publication Name: Technological Forecasting & Social Change
Subject: Social sciences
ISSN: 0040-1625
Year: 1999
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The Loglet Lab software: a tutorial
Article Abstract:
A tutorial on the Loglet Lab software package that assists the user through a number of exercises in logistic analysis is presented. It demonstrates how to match single and multi-logistic curves to data, employ transformations on the component logistic model, apply the Bootstrap technique to calculate the statistical error of the estimates, and use the logistic substitution model to a system. The main objective of the tutorial is to familiarize the user with the operation of the software.
Publication Name: Technological Forecasting & Social Change
Subject: Social sciences
ISSN: 0040-1625
Year: 1999
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Human population dynamics revisited with the logistic model: how much can be modeled and predicted?
Article Abstract:
The logistic model has been revived for the modeling of the evolution of life expectancy and of fertility versus age. A logistic path indicates that life expectancy grows at all ages with different rates. Convergent paths have been observed in looking at the limits of these logistics. Fertility dynamics are also characterized by logistic paths. Numerous arguments in demographic theory are challenged by the retrospective analysis of fertility and mortality.
Publication Name: Technological Forecasting & Social Change
Subject: Social sciences
ISSN: 0040-1625
Year: 1996
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