Topic
Natural exponential family
About: Natural exponential family is a research topic. Over the lifetime, 1973 publications have been published within this topic receiving 60189 citations. The topic is also known as: NEF.
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8 citations
TL;DR: In this paper, an application of the bivariate gamma exponential distribution is provided to drought data from Nebraska, and the exact distributions of R = X + Y, P = XY and W = X/(X + Y) and the corresponding moment properties are derived when X and Y follow this bivariate distribution.
Abstract: The exponential and the gamma distributions have been the traditional models for drought duration and drought intensity data, respectively. However, it is often assumed that the drought duration and drought intensity are independent, which is not true in practice. In this paper, an application of the bivariate gamma exponential distribution is provided to drought data from Nebraska. The exact distributions of R = X + Y, P = XY and W = X/(X + Y) and the corresponding moment properties are derived when X and Y follow this bivariate distribution.
8 citations
8 citations
8 citations