Browsing by Author Yakubu, Yisa

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Issue DateTitleAuthor(s)
2021An Application of Analysis of Covariance (ANCOVA) Technique in Eliminating the Effect of Concomitant Variables on Sales of Grand Cereals OilDajel, Daniel Bitrus; Yakubu, Yisa
2021An application of analysis of covariance technique in studying the effect of concomitant variables on sales of grand cereals oilDajel, Daniel Bitrus; Yakubu, Yisa
2017-03Assessing the impact of university library services on academic performance of students: Exploratory factor analysis of a survey instrumentYakubu, Yisa; Usman, A
2019-08Binary Logistic Regression Methods for Modeling Broncho-Pneumonia Status in Infants from Tertiary Health Institutions in North Central NigeriaYakubu, Yisa; Ahmed, SS; Audu, I; Usman, A
2021Binary Logistic Regression Modeling of Impact of agriculture credit facilities and farmers' socio-economic characteristics on small scale farming in Niger stateJiya, Jibril Edda; Yakubu, Yisa
2012Comparison of Optimality Criteria of Reduced Models for Response Surface Designs with Restricted RandomizationUnna Chukwu, Angela; Yakubu, Yisa
2010Design and analysis of 2^3 factorial experiments of variables affecting students’ academic performanceYakubu, Yisa
2022Developments in computational optimization techniques of conjugate gradient coefficient, search direction, Broyden-Fletcher-Goldfarb-Shanno, symmetric-rank one and Davidon-Fletcher-Powell quasi-Newton methodsAdams, Ayuba; Abubakar, U. Y.; Abubakar, Usman; Yakubu, Yisa
2016Effects of Cassava/Legumes Inter-cropping before Rice Season and Weeding Methods on Growth and Yields of Rice: Split-plot Design ApproachYakubu, Yisa; Gbanguba, A.U.; Bankole, O.E.
2021Effects of Exchange Rates on import and export of oil and non-oil products in Nigeria using Multivariate Volatile ModelsOkemmiri, Hillary Uche; Yakubu, Yisa
2021Effects of Exchange Rates on Import and Export of Oil and Non-Oil Products in Nigeria: A Multivariate GARCH Modelling ApproachOkemmiri, Hillary Uche; Yakubu, Yisa
2014-12EFFECTS OF MISSING OBSERVATIONS ON PREDICTIVE CAPABILITY OF CENTRAL COMPOSITE DESIGNSYakubu, Yisa; Unna Chukwu, Angela; Bamiduro, Timothy Adebayo; Amahia, Godwin Nwonzo
2021Effects of one missing observation in central composite designs (CCDs) on estimates of model parameters and their standard errorsMusa, Sokodabo Hajara; Yakubu, Yisa
2021Effects of one missing observation on estimates of model parameters and their standard errors in central composite designs (CCDs)Sokodabo, Hajara; Yakubu, Yisa
2015EFFICIENCY OF SPLIT-PLOT RESPONSE SURFACE DESIGNS IN THE PRESENCE OF MISSING OBSERVATIONSChukwu, AU; Yakubu, Yisa
2021Evaluating students’ academic performance using clustering techniques (a case study of school of engineering, federal polytechnic, bidaAlikali, Yandagi; Yakubu, Yisa
2021-02Missing Observations in Split-Plot Central Composite Designs: The Loss in Relative A-, G-, and V- EfficiencyYakubu, Yisa; Chukwu, AU
2020Modeling the Effect of Bank Specific Factors on Financial Performance of Commercial Banks in Nigeria: Panel Data Regression ApproachYakubu, Yisa; Egopija, SM
2016Modeling the Impact of Agricultural Credit Finance and Socio-economic Characteristics of Farmers on Rice Production: Multiple Linear Regression with Categorical Predictor Variables Approach.Yakubu, Yisa
2021On D-efficiency of Reduced Models for Central Composite Experimental Designs Within a Split-Plot StructureYakubu, Yisa; Chukwu, Angela Unna; Shehu, Ahmed Sule