Modelling species abundance using the Po
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Abdel H. El-Shaarawi; Rong Zhu; Harry Joe
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Article
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2011
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John Wiley and Sons
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English
⚖ 335 KB
The distribution of an organism species in the environment deviates frequently from randomness due to natural cycles, availability of food resources and avoidance of harm. As a result, observed data can show over-dispersion, zero-inflation and even heavy tail. Models such as the negative binomial (N