[1] Anthony E. Usoro, Seasonal autoregressive integrated moving
average vector models and their application to quarterly rainfall
series, Journal of Statistical and Econometric Methods 3(4) (2014),
47-56. Scienpress Ltd, UK.
[2] G. E. P. Box and G. M. Jenkins, Time Series Analysis; Forecasting
and Control, Holden-Day Inc. 500 Sansome Stret, San Francisco,
California, 1976.
[3] S. A. Delurgio, Forecasting Principles and Applications, First
Edition, Irwin McGraw-Hill, New York, U.S.A., 1998.
[4] M. Kendall and K. J. Ord, Time Series, Third Edition, Halsted
Press, America, 1993.
[5] C. O. Omekara, E. J. Ekpenyong and M. P. Ekerete, Modelling the
Nigerian inflation rates using periodogram and Fourier series
analysis, CBN Journal of Applied Statistics 4(2) (2013), 51-68.
Central Bank of Nigeria.
[6] C. Udo-Inyang Uduak and Ini D. Edem, Analysis of rainfall trend in
Akwa Ibom State, Nigeria, Journal of Environmental and Earth Science
2(8) (2012).
[7] J. E. Osemwenkhae, B. E. Eguasa and N. Ekhosuehi, Time series
analysis of road traffic crashes in Edo State of Nigeria, Journal of
the Nigerian Statistical Association 25 (2013), 83-92.