Articles with "gompertz" as a keyword



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Cubic rank transmuted generalized Gompertz distribution: properties and applications

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Published in 2022 at "Journal of Applied Statistics"

DOI: 10.1080/02664763.2022.2025585

Abstract: In this paper, we introduce a new lifetime distribution as an alternative to generalized Gompertz, Gompertz distribution and its modified ones. This new distribution is a special case of the family of distributions introduced by… read more here.

Keywords: generalized gompertz; rank transmuted; gompertz distribution; gompertz ... See more keywords
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Double sigmoidal models describing the growth of coffee berries

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Published in 2017 at "Ciencia Rural"

DOI: 10.1590/0103-8478cr20160646

Abstract: EnglishThis study aimed to verify if the growth pattern of coffee berries, considering fresh mass accumulation over time, is double sigmoid and to select the most suitable nonlinear model to describe such behavior. Data used… read more here.

Keywords: logistico; coffee berries; gompertz; duplo ... See more keywords
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A new weighted Gompertz distribution with applications to reliability data

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Published in 2017 at "Applications of Mathematics"

DOI: 10.21136/am.2017.0277-16

Abstract: A new weighted version of the Gompertz distribution is introduced. It is noted that the model represents a mixture of classical Gompertz and second upper record value of Gompertz densities, and using a certain transformation… read more here.

Keywords: gompertz distribution; weighted gompertz; model; gompertz ... See more keywords
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A Note on Estimation of Multi-Sigmoidal Gompertz Functions with Random Noise

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Published in 2019 at "Mathematics"

DOI: 10.3390/math7060541

Abstract: The behaviour of many dynamic real phenomena shows different phases, with each one following a sigmoidal type pattern. This requires studying sigmoidal curves with more than one inflection point. In this work, a diffusion process… read more here.

Keywords: sigmoidal; multi sigmoidal; estimation multi; gompertz ... See more keywords