Isaac, Didi Essi

Constraint and Unconstraint of Vector Autoregressive Model; Using GDP Growth Rate of Agriculture, Industries, Building/Construction, Whole-Sale/Retail and Services in Nigeria

Ekpenyong, Aniedi. Moses & Isaac, Didi Essi · Asian Journal of Probability and Statistics · 2021

In this research, multivariate Time Series was adopted to model the Gross Domestics Product (GDP) growth rate of Nigeria on five (5) variables namely: Agriculture, Industries, Building/construction, Wholesales/Retails trade and Services The data was collected from National Bureau...

Open access Research Article 10.9734/ajpas/2021/v12i230284

Nwikpe Probability Distribution: Statistical Properties and Goodness of Fit

Barinaadaa John Nwikpe, Isaac, Didi Essi & Amos Emeka · Asian Journal of Probability and Statistics · 2021

In this paper, we introduce a new continuous probability distribution developed from two classical distributions namely, gamma and exponential distributions. The new distribution is called the Nwikpe distribution. Some statistical properties of the new distribution were derived....

Open access Research Article 10.9734/ajpas/2021/v11i130260