Classification of daily solar radiation distributions using a mixture of Dirichlet distributions.

Abstract : In order to qualify the fluctuating nature of solar radiation under tropical climate, we classify daily distributions of the clearness index kt by estimating a finite mixture of Dirichlet distributions without assuming any parametric hypothesis on these daily distributions. The method is applied to solar radiation measurements performed in Guadeloupe (16°2 N, 61 W) where important fluctuations can be observed even within a short period of a few minutes. The results put in evidence four distinct classes of distributions corresponding to different types of days. The sequence of such classes can be of interest for prediction.
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https://hal.archives-ouvertes.fr/hal-00289567
Contributor : Ted Soubdhan <>
Submitted on : Monday, June 23, 2008 - 4:51:57 PM
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Ted Soubdhan, Richard Emilion, Rudy Calif. Classification of daily solar radiation distributions using a mixture of Dirichlet distributions.. 2008. ⟨hal-00289567⟩

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