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Gompertz Models
The best fit model is a combination of a model derived from the first exit time theory of a stochastic process with a Gompertzian correction for the ages from 15 to 30 years. For the best fit model go to the Health State Model webpage
Gompertz and Mirror Gompertz models
In this web page we present the Gompertz model and the Mirror Gompertz model the nonlinear regression analysis algorithm is given in Excel and can downloaded hereapplications are included as well
Analysis of the Gompertz models can found in various publications. A comparative study of the Gompertz and the Mirror Gompertz models appears in:
Skiadas C. H. and Skiadas C., Comparing the Gompertz-Type Models with a First Passage Time density Model. Advances in Data Analysis, C. H. Skiadas (Ed) Springer/Birkhauser, 2010, pp. 203-209.
and
Skiadas, C. H. and Skiadas, C.: Chaotic Modelling and Simulation: Analysis of Chaotic Models, Attractors and Forms, CRC / Taylor & Francis, 2008.
Gompertz Model
Download Gompertz nonlinear regression with Excel
Download Gompertz nonlinear regression with Excel (ZIP format)
Mirror Gompertz Model
Download Mirror Gompertz nonlinear regression with Excel
Download Mirror Gompertz nonlinear regression with Excel (ZIP format)
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