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Dr. Kayode Ayinde

Dr. Kayode Ayinde

Email

Office

1667 Garrett-Strong

Phone

660.562.1371
660.562.1188 (fax)

Personal Website

Joined Northwest in 2023


Assistant Professor

Education

  • Ph.D. Statistics; University of Ilorin (Ilorin, Kwara State, Nigeria)
  • M.S. Statistics; University of Ibadan (Oyo State, Nigeria)
  • B.S. Statistics; University of Ilorin (Ilorin, Kwara State, Nigeria)

Courses Taught

  • Strategies for General Statistics
  • General Statistics
  • Statistics and Probability
  • Computer Methods in Statistics
  • Data Analysis
  • Linear Statistical Models II
  • Data Mining for Business. & Sciences

Academic Interests

  • Voting Techniques and Statistical Inferences
  • Robust Estimation and Inferential Statistics
  • Econometrics Theory and Methods
  • Data Mining and Machine Learning Algorithms
  • High Dimensional Data Analysis

Scholarly Activity

Publications:

  • Oladapo, O. J., Idowu, J. I., Owolabi, O. T., Ayinde, K., and Adejumo, T. J.  (2024). A New Ridge Type Estimator in the Logistic Regression Model with Correlated Regressors. WSEAS Transactions on Business and Economics,21,2528-2541. DOI: 10.37394/23207.2024.21.208.
  • Ayinde, K., Haile, B., Vlieger, D., and Harrison, T. (2024). Choosing the most representative and efficient averages of Numeric univariate data sets: Voting and Bootstrapping Techniques. Journal of Royal Statistical Society Nigeria Group, 1(1), 72-89. https://publications.funaab.edu.ng/index.php/JRSSNIG/article/view/1845/1541
  •  Rauf, I. Rauf, Bello, A. A, Bodunwa, O. K., Ayinde, K.., and Alabi, O. O (2024). Heteroscedasticity Correction Measures in Stochastic Frontier Analysis. The Annals of the University of Oradea, Economic Sciences Tom, 33(1),155 -165. https://anale.steconomiceuoradea.ro/en/wpcontent/uploads/2024/08/AUOES.July.2 024.pdf
  •  Jegede, S. L., Lukman, A. F., Alqasem, O. A., Elwahab, M. E. A., Ayinde, K., Golam Kibria, B. M., and Adewinbi, H. (2024). Handling linear dependency in linear regression models: Almost unbiased modified ridge-type estimator. Scientific African, 25, e02324. https://doi.org/10.1016/j.sciaf.2024.e02324
  • Oladapo, O. J., Alabi, O. O., and Ayinde, K. (2024). Another New Two Parameter Estimator in Dealing with Multicollinearity in the Logistic Regression Model. International Journal of Mathematical Sciences and Optimization: Theory and Applications, 10(2), 22-35. https://doi.org/10.5281/zenodo.10937145
  • Rauf, R. I., Ayinde, K., Hamidu, B. A., Kikelomo, B. O., and Olusegun, A. O. (2024). Enhanced methods for multicollinearity mitigation in stochastic frontier analysis estimation. Journal of the Nigerian Society of Physical Sciences, 6(4), 2091-2091. https://doi.org/10.46481/jnsps.2024.2091
  •  Oladapo, O. J. and Alabi, O. O., and Ayinde, K. (2024). Performance of some Yang and Chang estimators in Logistic Regression Model. Iraqi Journal of Statistical Sciences, 21(1), 1-11. DOI:10.33899/iqjoss.2024.183228
  •  Badawaire, A. B., Ayinde, K. and Olanrewaju, S. O. (2024). Addressing Autocorrelation, Multicollinearity, and Heavy-Tail Errors in the Linear Regression Model. Asian Journal of Probability and Statistics 26 (9):61-83. https://doi.org/10.9734/ajpas/2024/v26i9646
  •  Lukman, A. F., Adewuyi, E. T., Alqasem, O. A. Arashi, M. and Ayinde, K. (2024). Enhanced Model Predictions through Principal Components and Average Least Squares - Centered Penalized Regression. Symmetry, 16, 469. https://doi.org/10.3390/sym16040469
  • Adejumo, T. J., Ayinde, K., Okegbade, A. I., Akomolafe, A. A., Oshuporu, O. A., and Koleoso, S. O. (2024). Robust M Kibria Lukman estimator for linear regression model with outliers in the x-direction: simulations and applications. Science World Journal, 19(2), 440-454. DOI:10.4314/swj.v19i2.21
  • Daniel, J., Ayinde, K., Dudu, E. E., and Eberechukwu, O. I. (2024). Application of Polar Coordinates in the summation of the Gaussian Distribution. Reliability: Theory & Applications, 2(78), 19, 408-424. https://gnedenko.net/Journal/2024/022024/RTA_2_2024-35.pdf
  • Rauf, R. I., Alabi, O. O., Bello, A. H., Bodunwa, O. K., and Ayinde, K. (2024). New Approach in Stochastic Frontier Analysis Estimation for Addressing Joint Assumption Violation of Heteroscedasticity and Multicollinearity. Asian Journal of Probability and Statistics, 26(9), 9-26. https://doi.org/10.9734/ajpas/2024/v26i9643.
  • Idowu, J. I., Fasoranbaku, A.K. and Ayinde, K. (2024). A New Two-Parameter Estimator for Gamma Regression Model with Correlated Regressors. LAUTECH Journal of Engineering and Technology, 18(1), 64-75.
  • Oladapo, J.O., Idowu, J. I., Owolabi, A. T., and Ayinde, K. (2023). A New Biased Two- parameter Estimator in Linear Regression Model. EQUATIONS, 3: 73-92. DIO:37394/232021.2023.3.10
  • Fayose, S. F., Ayinde, K., Alabi, O. O. and Bello, H. A (2023). Robust Weighted Ridge Regression based on S-Estimator in Linear Regression Model, African Scientific Reports, 2, 126. DIO:1046481/asr.2023.2.3.126.
  • Ayinde, K., Daniel, J., Adepetun, A. and Ewemooje, O. S. (2023). Moving Block Bootstrap with Better elements’ Representation for Univariate Time Series Data. Reliability: Theory & Applications, 3(74), 671-688. doi.org/10.24412/1932-2321-2023-374-671-688
  • Adejumo, T. J., Ayinde, K., Akomolafe, A. A., Makinde, O.S., and Ajiboye, A. S. (2023). Robust-M New Two Parameter Estimator for Linear Regression Models: Simulations and Applications, African Scientific Reports, 2, 138. DIO:1046481/asr.2023.2.3.138.
  • Idowu, J. I., Owolabi, A.T., Oladapo, O. J., Ayinde, K., Oshuoporu, O. A. and Aloa, O. N. (2023). Mitigating multicollinearity in Linear Regression Model with Two Parameter Kibria-Lukman Estimators: WSEAS TRANSACTIONS on SYSTEMS and CONTROL DIO:10.37394/23203.2023.18.63
  • Fayose, S. F., Ayinde, K. and Alabi, O. O. (2023). M Robust Weighted Estimator in Linear Regression Model, African Scientific Reports, 2, 123. DIO:1046481/asr.2023.2.2.123.
  • Idowu, J. I., Oladapo, O. J., Owolabi, A.T., Ayinde, K. and Akinmoju, O. (2023). Combating multicollinearity: A new two-parameter approach, Nicel Bilimler Dergisi, 5(2), 90-116. DOI:10.51541/nicel.1084768
  • Oladapo, O. J., Alabi, O. O. and Ayinde, K. (2023). Performance of Some Dawoud-Kibra Estimators for Logistics Regression Model: Application to Pena Data Set. EQUATIONS, 3, 130-139. DOI:10.37394/232021.2023.3.16
  • Aladeniyi, O. B., Bodunwa, O. K., Arigbede, O., Famose, O. and Ayinde, K. (2023). A Comparative Study of Curve Estimation Models and Estimators: COVID-19 Cases in India. Cureus, DOI:10.7759/cureus
  • Owolabi, A. T., Ayinde, K. and Alabi, O.O. (2022). A new ridge-type estimator for the linear regression model with correlated regressors, Concurrency and Computation: Practice and Experience, 34(15), e6933. https://onlinelibrary.wiley.com/doi/abs/10.1002/cpe.6933
  • Lukman, A.F., Aladeitan, B. B., Ayinde, K. and Abonazel, M. R. (2022). Modified Ridge-type for the Poisson Regression Model: Simulation and Application, Journal of Applied Statistics, 2124-2136. https:/doi.org/10.1080/02664763.2021.1889998
  • Owolabi, A.T., Ayinde, K. and Alabi, O. O. (2022) A Modified Two Parameter Estimator with Different Forms of Biasing Parameters in the Linear Regression Model African Scientific Reports 1(3):212-228  DOI:10.46481/asr.2022.1.3.62
  • Ayinde, K., Adewuyi, E. T. and Lukman, A. F. (2022). Alternative Ridge Parameters in Linear Model. Nicel Bilimler Dergisi , 4 (1) , 22-46 . DOI:10.51541/nicel.1042316
  • Idowu, J. I., Oladapo, O. J., Owolabi, A.T., Ayinde, K. (2022). On the biased Two-Parameter Estimator to Combat Multicollinearity in Linear Regression Model. African Scientific Reports 1(3):188-204. DOI:10.46481/asr.2022.1.3.57
  • Olasunkanmi, O.J., Owolabi, A. T., Idowu, J. I and Ayinde, K. (2022). A New Modified Liu Ridge-Type Estimator for the Linear Regression Model: Simulation and Application, International Journal of Clinical Biostatistics, and Biometrics, 8(2), 2469-5831. DOI:10.23937/2469-5831/1510048
  • Owolabi, A. T., Ayinde, K., Adejumo, T. J., Kasali, W. A., and Adewuyi, E. T. (2022). Comparative Analysis of the Implication of Periods Before and During Vaccination of COVID-19 Infection in Some Regional Leading African Countries. Journal of the Nigerian Society of Physical Sciences, 4(2), 310–317. https://doi.org/10.46481/jnsps.2022.702
  • Owolabi, A. T., Ayinde, K., Idowu, J. I., Oladapo, O.J, and Lukman, A. F. (2022). A New Two- Parameter Estimator in the Linear Regression Model with Correlated Regressors, Journal of Statistics Application and Probability,11(2): 499-512. doi:10.18576/jsap/110211
  • Jegede, S. L., Lukman, A. F., Ayinde, K. and Odeniyi, K. A. (2022). Jackknife Kibria-Lukman M-Estimator: Simulation and Application. Journal of the Nigerian Society of Physical Sciences, 4(2), 251–264. https://doi.org/10.46481/jnsps.2022.664
  • Lukman, A.F., Algamai, Z.Y., Kibria, B.M.G., and Ayinde, K. (2021). The KL Estimator for the Inverse Gaussian Regression Model. Concurrency and Computation: Practice and Experience,33(13), e6222. https://onlinelibrary.wiley.com/doi/abs/10.1002/cpe.6222
  • Ayinde, K., Alabi, O. O. and Nwosu, U. I. (2021). Solving Multicollinearity Problem in Linear Regression Model: The Review suggest New Idea of Partitioning and Extraction of the Explanatory Variables, Journal of Mathematics and Statistics Studies 2(1), 12-20. https://doi.org/10.32996/jmss.2021.2.1.2

Presentations:

  • Ayinde, K. (2025). New Robust Parametric Test Statistics Based on Absolute Deviations for Variance Hypothesis Testing, Joint Statistical Meeting, Nashville, Tennessee, USA, 3-8 August,2025.
  • Ayinde, K. (2025): Identifying Outliers and Forming Clusters: Voting and Principal Component Analysis Techniques with Applications to U.S. Educational and Crime Data. 2024-25 Colloquium Series 5, February 21, 2025, Department of Mathematics       and Statistics, Northwest Missouri University. https://www.nwmissouri.edu/events/2025/02/mathematics-and-statistics-colloquium-series-5.htm
  • Ayinde, K. (2024): Some New Insights into Measures of Location and Adopting Voting Approach into Measures of Variability: Simulation and Application Perspectives. 26th International Conference on Computational Statistics (COMPSTAT), 27- 30 August 2024, Giessen, Germany.
  • Ayinde, K. Haile, B. Harrison, T., and Vlieger, D. (2024). Adopting Voting Technique to Choosing Most Representative Average of Numerical Data Sets. http://sections.maa.org/missouri/assets/...and_abstracts.pdf
  • Ayinde, K. (2023): Some New Insights into Measures of Location and Adopting Voting Approach into Measures of Variability: Simulation and Application Perspectives. 2023-24 Colloquium Series 3, December 1, 2023, Department of Mathematics and Statistics, Northwest Missouri University.
  • Ayinde, K. (2023): Speaker’s Research Showcase Teacher, Student Communication   Importance. 2023-24 Colloquium Series 5, February 1, 2024 Department of Mathematics and Statistics, Northwest Missouri University. https://www.nwmissourinews.com/news/article_51a21094-c566-11ee-9b0b-53d5304aafc5.html
  • Aladeitan, B. B., Adebimpe, O., Ayinde, K. and Lukman, A. (2023). Improved Kibria-Lukman Type Estimator: Application and Simulation. International Conference on Science, Engineering and Business for Sustainable Development Goals (SEB-  SDG). DOI:10.1109/SEB-SDG57117.2023.10124637
  • Aladeitan, B. B., Adebimpe, O., Ayinde, K., Lukman, A. Oludoun, O. and Abiodun, E. (2023). A Modified KL Estimator for the Binary Logistic Regression Model. International Conference on Science, Engineering and Business for Sustainable Development Goals (SEB-SDG).DOI:10.1109/SEB-SDG57117.2023.10124573
  • Ambali, O. Y., Ayinde, O. E. and Ayinde, K. (2022). A Dynamic Macro-Panel Autoregressive Distributed Lag (ARDL) Approach to the Determinants of Cocoa Export among West African Countries, Selected Paper prepared for presentation at the 2022 Agricultural & Applied Economics Association Annual Meeting, Anaheim, CA; July 31-August 2. https://ideas.repec.org/p/ags/aaea22/322259.html
  • Ayinde, K., Owolabi, A. T., Bodunwa, O.K., Aladeniyi,O.B., Akinbo,R.Y. and  Ayinde, O.E. (2022). Forecasting and effect of vaccination against the spread of COVID-19 in Nigeria. 2022 Evidence to Action Conference in Kampala-Uganda 26th 30th September 2022.
  • Ambali, O.Y., Ayinde, O.E and Ayinde, K. (2022). A Dynamic Macro-Panel Autoregressive Distributed Lag Approach to the Determinants of Cocoa Export among West African Countries. Annual Agricultural and Applied Economics Association Meeting, July 31-August 2, 2022, Anaheim, CA, USA.
  • Ayinde, K. (2020). Statistics, National Planning and National Development. In Royal Statistical Society Nigeria Local Group Annual Conference Proceeding, 26-49. https://publications.funaab.edu.ng/index.php/RSS/article/view/1787/1493

Other Professional Experience

  • Professor of Statistics, Department of Statistics; Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria, and Federal University of Technology, Akure, Ondo State, Nigeria.
  • Visiting Professor, Department of Statistics/Mathematical Sciences; University of Ibadan, Ibadan, Oyo State, Nigeria, Landmark University, Omuaran, Kwara State, Nigeria, University of Abuja, Abuja, Nigeria, and University for Development Studies, Tamale, Ghana
  • Postgraduate External Examiner, Department of Statistics/ Mathematics/ Mathematical Sciences; University of Ibadan, Ibadan, Oyo State, Nigeria, Obafemi Awolowo University, Nigeria, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria, and Onabisi Onabanjo University, Ago-Iwoye, Ogun State, Nigeria.
  • Accreditation Team Member to the Abubakar Tafawa Balewa and Bauchi State University, Bauchi, Bauchi State, Nigeria, Gombe State University, Gombe State, Nigeria, and University of Uyo and Akwa Ibom State University, Akwa Ibom State, Nigeria.
  • Postgraduate External Examiner, Department of Statistics/ Mathematics/ Mathematical Sciences; University of Ibadan, Ibadan, Oyo State, Nigeria, Obafemi Awolowo University, Nigeria, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria, and Onabisi Onabanjo University, Ago-Iwoye, Ogun State, Nigeria.

Professional Affiliations:

  • Life-Active Member, American Statistical Association, USA.
  • Member, International Biometric Society, USA.
  • Member, International Association of Agricultural Economists, USA. 
  • Fellow of the Royal Statistical Society (FRSS), UK.
  • Member, Computational and Methodological Statistics, UK. 
  • Member, Computational and Financial Econometrics, UK.   
  • Member, African Econometric Society, Nigeria.       
  • Member, Nigerian Statistical Association, Nigeria.
  • Member, Chartered Institute of Statistician of Nigeria, Nigeria.
  • Member, Nigerian Mathematical Society, Nigeria.

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