The Gamma-Dagum Distribution: Definition, Properties and Application

Autores

  • Jailson Araujo Rodrigues Instituto Federal da Bahia (IFBA) Campus de Feira de Santana
  • Ana Paula Coelho Madeira Silva Universidade Federal de São João Del Rei (UFSJ) Campus de Sete Lagoas

Resumo

In this work, a new distribution called the gamma-Dagum is introduced. Some of the main properties of this distribution are derived, including, kth moment, mean, variance, skewness and kurtosis. The estimation of parameters using the methods of moments and maximum likelihood is also discussed. The flexibility of this distribution is illustrated in an application to a real data set.

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Publicado

2015-05-31

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Artigos de Pesquisa