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Original Articles

Laplace-normal mixtures fitted to wind shear data

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Pages 271-276 | Published online: 05 Jun 2011
 

Abstract

A mixture model with Laplace and normal components is fitted to wind shear data available in grouped form. A set of equations is presented for iteratively estimating the parameters of the model using an application of the EM algorithm. Twenty-four sets of data are examined with this technique, and the model is found to give a good fit to the data. Some hypotheses about the parameters in the model are discussed in light of the estimates obtained.

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