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Browsing by Author Usman, A

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Issue DateTitleAuthor(s)
2022-08-08Mathematical model of COVID-19 transmission dynamics incorporating booster vaccine program and environmental contaminationUsman, A; Akinwande, N.I.; Ashezua, T.T.; Gweryina, , R.I.; Somma, S.A.; Oguntolu, F.A.; Abdurrahman, O.N.; Kaduna, , F.S.; Adajime, T.P.; Kuta, F A; Abdulrahman, S.; Olayiwola, R O; Enagi, A I; Bolarin, G A; Shehu, MD
2017Mathematical Modeling of an Intelligent Poultry Feed Dispensing SystemAmeh, Christian A; Olaniyi, Olayemi Mikail; Dogo, E. M.; Usman, A; Aliyu, S; Alkali, B
2021-10-25MODELLING AND FORECASTING VOLATILITY IN NIGERIA: EVIDENCE FROM THE STOCK MARKETZubairu, A. U; Usman, A
2017Modelling Mean Surface Temperature of Nigeria Using Geostatistical Approach.Isah, A; Attah, G.Y; Abdullahi, U; Usman, A
2009-04Multiple Regression Model for the sSignificance of Age and Weight of Pregnant Mother's In Relation to theeir Birth WeightUsman, A; Ochoche, A; Kehinde, I. S
2021-10-25Multivariate Analysis of Dynamic Transmission of Coronavirus Disease with Control Measures in Nigeria.Sheshi, M.M; Usman, A
2021-01-25Multivariate Analysis of Dynamic Transmission of Coronavirus Disease with Control Measures in Nigeria.Sheshi, M.M; Usman, A
2016-07Phytochemical and antibacterial investigations of moringa (Moringa oleifera) leaf extract on selected bacterial pathogensAbubakar, I; Usman, A
2017-01Power Analysis of the I,ikelihood Ratio Tests for Exponential PopulationsYahya, W. B; Kolade, E. I; Garba, M. K; Usman, A
2021-06Prediction of Vehicular Accidents along Lokoja-Abuja-Kaduna Express Way, Nigeria Using Grey-System Model Gm(1,1)Usman, A; Saeed, O. B; Abubakar, U. Y; Lawal, A
2017-03Seasonal and Cyclic Forecasting for Hydro Electric Power Generating StationYakubu, Y; Usman, A; Alao, O. K
2020-06Split-plot Central Composite Experimental Design Method for Optimization of Cake Height to Achieve desired TextureYakubu, Y; Aliyu, Z, Q; Usman, A; Evans, P. O
2020Split-plot Central Composite Experimental Design Method for Optimization of Cake Height to Achieve desired TextureYakubu, Yisa; Aliyu, ZQ; Usman, A; Evans, PO
2010STATISTICAL ASSESSMENT OF MODELS FOR DAURO CEREAL CROPBusari, A, F; Usman, A
2010Statistical Process Control on Production: A Case Study of Some Basic Chemicals Used in Pure Water ProductionUsman, A; Nasir, M.K
2012STUDENTS’ PERFORMANCE IN T8E JOINT ADMISSION AND MATRICULATION BOARD (JAMB) MATREMATICS EXAMINATION: A CASE STUDY OF NIGER STATEBusari, A.F; Usman, A; Laminu, I; Jiya, A
2017A STUDY OF THE EFFECTS OF BAKING MATERIALS AND OVEN TEMPERATURE ON CAKE HEIGHT: SPLIT-PLOT CENTRAL COMPOSITE DESIGN APPROACHYakubu, Yisa; Aliyu, ZQ; Usman, A; Evans, PO
2021-10-28Trades in stock market anywhere in the world is faced with intense volatility due to stocks prices instability in real time that is mostly driven by information and other market dynamics. This research examines two volatility models with two different error distributions innovations in modelling and forecasting the continuous compounded return series (CCRS) of Nigeria All Share Index (NGX ASI) spot prices spanning the period of January 30, 2012 to June 30, 2021. The Generalized Autoregressive Conditional Heteroscedastic (GARCH) and Asymmetric Power Autoregressive Conditional Heteroscedastic ARCH (APARCH) volatility models under Student-t Distribution (StD) and Generalized Error Distribution (GED) error innovations are utilized. The best-fitted model is determined using Akaike’s Information Criterion (AIC) while Mean Square Error (MSE) is used to evaluate forecasts performance of the fitted volatility models. The results from the analysis showed that amongst competing models, APARCH (1,1)-GED was selected to be the best fitted volatility model with better forecasting power for the CCRS-NGX-ASI spot prices. This is because it produces the smallest AIC and MSE valuesGana, Y; Usman, A
2019-05Trend of Neonatal Mortality in Nigeria from 1990 to 2017 using Time Series AnalysisUsman, A; Sulaiman, M. A
2019-05Trend of Neonatal Mortality in Nigeria from 1990 to 2017 using Time Series AnalysisUsman, A; Sulaiman, M. A
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