Selection of Heteroscedastic Models: A Time Series Forecasting Approach (Articles)

Imoh Udo Moffat, Emmanuel Alphonsus Akpan

Applied Mathematics Vol.10 No.5，May 23, 2019

DOI: 10.4236/am.2019.105024   444 Downloads  759 Views  Citations

White Noise Analysis: A Measure of Time Series Model Adequacy (Articles)

Imoh Udo Moffat, Emmanuel Alphonsus Akpan

Applied Mathematics Vol.10 No.11，November 21, 2019

DOI: 10.4236/am.2019.1011069   392 Downloads  1,028 Views  Citations

Application of Iterative Approaches in Modeling the Efficiency of ARIMA-GARCH Processes in the Presence of Outliers (Articles)

Emmanuel Alphonsus Akpan, K. E. Lasisi, Ali Adamu, Haruna Bakari Rann

Applied Mathematics Vol.10 No.3，March 29, 2019

DOI: 10.4236/am.2019.103012   363 Downloads  563 Views  Citations

Structural Evolution and Properties of Hot Rolled Steel Alloys (Articles)

Emmanuel Isaac Akpan, Idoko Andrew Haruna

J. of Minerals and Materials Characterization and Eng. Vol.11 No.4，April 20, 2012

DOI: 10.4236/jmmce.2012.114029   7,000 Downloads  8,454 Views  Citations

Heredo-Familial Expression of Ametropia among Siblings of a Nigerian Family (Articles)

Emmanuel Olu Megbelayin, Sylvia Iquo-Abasi Akpan

Open Journal of Genetics Vol.6 No.4，October 31, 2016

DOI: 10.4236/ojgen.2016.64008   1,112 Downloads  1,484 Views  Citations

Foreign Direct Investment and Industrial Sector Performance: Assessing the Long-Run Implication on Economic Growth in Nigeria (Articles)

Emmanuel S. Akpan, Gamaliel O. Eweke

Journal of Mathematical Finance Vol.7 No.2，May 23, 2017

DOI: 10.4236/jmf.2017.72021   1,934 Downloads  6,240 Views  Citations

Knowledge-Gap among Doctors in the Niger Delta Region of Nigeria about Sexual and Reproductive Health (Articles)

Emmanuel Columba Inyang-Etoh, Anyiekere Morgan Ekanem, Anietimfon Sunday Akpan

Open Access Library Journal Vol.2 No.12，December 24, 2015

DOI: 10.4236/oalib.1102151   820 Downloads  1,225 Views  Citations

Causality between Non-Oil Export, Financial Sector Development and Economic Growth: Evidence from Nigeria (Articles)

Emmanuel S. Akpan, Eleazar C. Nwosu, Gamaliel O. Eweke

Journal of Mathematical Finance Vol.7 No.1，January 11, 2017

DOI: 10.4236/jmf.2017.71002   1,577 Downloads  2,912 Views  Citations

Review of Green Polymer Nanocomposites (Articles)

Samson O. Adeosun, G. I. Lawal, Sambo A. Balogun, Emmanuel I. Akpan

J. of Minerals and Materials Characterization and Eng. Vol.11 No.4，April 20, 2012

DOI: 10.4236/jmmce.2012.114028   10,559 Downloads  17,583 Views  Citations

Characterization of LDPE Reinforced with Calcium Carbonate—Fly Ash Hybrid Filler (Articles)

Samson Oluropo Adeosun, Mohammed Awwalu Usman, Emmanuel Isaac Akpan, Winifred Ifeoma Dibie

J. of Minerals and Materials Characterization and Eng. Vol.2 No.4，July 28, 2014

DOI: 10.4236/jmmce.2014.24038   4,324 Downloads  5,473 Views  Citations

Determination of Molecular Mass of Strong Acids by Differential Temperature Model (DTM) Using H₃PO₄ and HBF₄ for Classical Demonstration (Articles)

I. A. Akpan

Journal of Materials Science and Chemical Engineering Vol.3 No.6，June 11, 2015

DOI: 10.4236/msce.2015.36007   5,450 Downloads  5,857 Views  Citations

Can a Good Performance Management Technique Improve Public Health Outcome? A Rapid Assessment of Public Health Organization in Nigeria (Articles)

David Akpan

Journal of Human Resource and Sustainability Studies Vol.7 No.2，April 2, 2019

DOI: 10.4236/jhrss.2019.72009   607 Downloads  1,026 Views  Citations

Elevated Concentrations of Dietarily-Important Trace Elements and Macronutrients in Edible Leaves and Grain of 27 Cowpea (Vigna unguiculata L. Walp.) Genotypes: Implications for Human Nutrition and Health (Articles)

Alphonsus K. Belane, Felix D. Dakora

Food and Nutrition Sciences Vol.3 No.3，March 21, 2012

DOI: 10.4236/fns.2012.33054   5,343 Downloads  8,286 Views  Citations

Adomian Decomposition Approach to the Solution of the Burger’s Equation (Articles)

Iyakino P. Akpan

American Journal of Computational Mathematics Vol.5 No.3，September 9, 2015

DOI: 10.4236/ajcm.2015.53030   4,527 Downloads  5,073 Views  Citations

Modelling Complete Power Outage Data Using Reliability (Articles)

N. P. Akpan, N. A. Bassey

American Journal of Operations Research Vol.11 No.2，March 8, 2021

DOI: 10.4236/ajor.2021.112005   5 Downloads  26 Views  Citations

Preliminary Geophysical Investigation to Delineate the Groundwater Conductive Zones in the Coastal Region of Akwa Ibom State, Southern Nigeria, around the Gulf of Guinea (Articles)

George N. Jimmy, Akpan A. Otu, Umoh A. Asuquo

International Journal of Geosciences Vol.4 No.1，January 23, 2013

DOI: 10.4236/ijg.2013.41011   4,621 Downloads  6,766 Views  Citations

Physicochemical Characteristics, Degradation Rate and Vulnerability Potential of Obudu Cattle Ranch Soils in Southeast Nigeria (Articles)

A. U. Akpan-Idiok, K. I. Ofem

Open Journal of Soil Science Vol.4 No.2，February 15, 2014

DOI: 10.4236/ojss.2014.42008   4,380 Downloads  6,253 Views  Citations

An Accurate Numerical Integrator for the Solution of Black Scholes Financial Model Equation (Articles)

Iyakino P. Akpan, Johnson O. Fatokun

American Journal of Computational Mathematics Vol.5 No.3，September 2, 2015

DOI: 10.4236/ajcm.2015.53026   4,702 Downloads  5,245 Views  Citations

Chronic Kidney Failure: Knowledge of Kidney Disease, Perception of Causes and Symptomatology in Uyo, Nigeria (Articles)

Effiong Ekong Akpan, Udeme E. Ekrikpo

Open Journal of Nephrology Vol.5 No.3，September 7, 2015

DOI: 10.4236/ojneph.2015.53014   4,603 Downloads  6,749 Views  Citations

History of Substance in Philosophy (Articles)

Bassey Samuel Akpan, Charles Clement Odohoedi

Advances in Historical Studies Vol.5 No.5，December 30, 2016

DOI: 10.4236/ahs.2016.55020   2,206 Downloads  4,731 Views  Citations