Sibeate Pius U

Linear and Non-Linear Modelling of Nigerian Crude Oil Prices

Wiri Leneenadogo & Sibeate Pius U · Asian Journal of Probability and Statistics · 2021

To model Nigeria crude oil prices, this analysis compared univariate linear models to univariate nonlinear models. The data for this analysis was gathered from the Central Bank of Nigeria (CBN) Monthly Statistical Bulletin. The upward and downward movement in the series revealed...

Open access Research Article 10.9734/ajpas/2021/v13i130300

A Comparative Study of Fourier Series Models and Seasonal -Autoregressive Integrated Moving Average Model of Rainfall Data in Port Harcourt

Wiri Leneenadogo & Sibeate Pius U · Asian Journal of Probability and Statistics · 2021

This study compares the Seasonal autoregressive integrated moving average (SARIMA) model within Fourier time series model in modelling rainfall data in Port Harcourt Rivers State from 2000-2014. The time plot of the series showed Seasonality but a not obvious trend. The raw data...

Open access Research Article 10.9734/ajpas/2020/v10i330249