Intervention Analysis of Nigerian Automotive Gas Oil Distribution
Аннотация
An intervention model for Nigerian monthly automotive gas oil distribution based on Box- Jenkins techniques is proposed in this research work. The data spanning from 2009 to 2015 were used in this investigation. The intervention point is observed to be January 2013. Pre-intervention data are observed to be stationary and follow an ARMA(1,1) model. Post-intervention forecasts are obtained on the basis of this model. Modeling the difference between post-intervention observation and forecast yields the transfer function of the intervention model. The observed statistical significance of the function coefficients is an indication of the adequacy of the intervention model. Hence the model may be applied to manage the distribution of this commodity
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Библиографические ссылки
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