be_ixf;ym_202010 d_31; ct_50

John Kwagyan, PhD

Adjunct Professor & Subject Matter Expert, School of Technology

John Kwagyan photo

Areas of Expertise:   

  • Data Science
  • Statistical Modelling
  • Data Mining Methodology
  • Quantitative Methods
  • Multivariate Analysis

Professional Certifications:

  • Data Mining 101 Using Analytic Solver


  • PhD (Statistics) Temple University, School of Business, Philadelphia, PA, 2001
  • MSc (Statistics) Temple University, School of Business, Philadelphia, PA, 1998
  • MSc (Applied Mathematics) Hampton University,  Hampton, VA, 1993
  • BSc (Mathematics) University of Science & Technology, Ghana, 1988

 Dissertation Title:

  • Further Analysis of the Disposition Model for Correlated Binary Outcomes

Research Areas of Interest:

  • Copula Methods
  • Clustered Binary Outcome
  • Hierarchical Data
  • Meta- Analysis
  • Multivariate Analysis

 Select Publications:

  • Kwagyan, J., & Apprey, V. (2018). Modeling clustered binary data with excess zero clusters. Statistical methods in medical research27(9), 2641-2656.
  • Erebholo, F., Apprey, V., Bezandry, P., & Kwagyan, J. (2016). A Correlated Binary Model for Ignorable Missing Data: Application to Rheumatoid Arthritis Clinical Data. Journal of Data Science, 14(2), 365-382.
  • Kwagyan, J., Apprey, V., & Bonney, GE.  Gram–Schmidt–Fisher scoring algorithm for parameter orthogonalization in MLE.  (2016 ) Cogent Mathematics, 3(1), 1159847.
  • Kwagyan, J.  Finite Mixture Model for Clustered Bivariate Binary Data: Application to Ophthalmologic Data Structures (2016) In JSM Proceedings, Biometrics Section, American Statistical Association. Alexandria, VA. 3457-3473
  • Erebholo, F., Bezandry, P., Apprey, V., & Kwagyan, J. (2016). Analysis of Incomplete Longitudinal Binary Data-A Combined Markov’s Transition and Logistic Model for Non-ignorable Missingness. Applicat and applied mathematics: an inter. journal11(1), 83.
  • Kwagyan, J.  Finite Mixture Logistic-Gaussian Model for Zero-Inflated Clustered Binary Data.   (2015)  In JSM Proceedings, Biometrics Section, American Statistical Association. Alexandria, VA.
  • Kwagyan J, Apprey V, Ashktorab H. Linkage disequilibrium and haplotype analysis of COX-2 and risk of colorectal adenoma development. Clin Transl Sci. 2012 Feb;5(1):60-4. doi: 10.1111/j.1752-8062.2011.00373.x. Epub 2012 Jan 10. PubMed PMID: 22376259; PubMed Central PMCID: PMC3618970.
  • Diep L, Kwagyan J, Kurantsin-Mills J, Weir R, Jayam-Trouth A. Association of  physical activity level and stroke outcomes in men and women: a meta-analysis. J  Womens Health (2011) .
  • Randall OS, Kwagyan J, Huang Z, Xu S, Ketete M, Maqbool AR. Effect of diet and exercise on pulse pressure and cardiac function in morbid obesity: analysis of 24-hour ambulatory blood pressure. J Clin Hypertens (Greenwich). 2005 Aug;7(8):455-63.
  • Kwagyan J, Tabe CE, Xu S, Maqbool AR, Gordeuk VR, Randall OS. The impact of body mass index on pulse pressure in obesity. J Hypertens. 2005 Mar 23(3):619-24.

 Select Profession Experience:

  • Senior Doctoral Adjunct, Grand Canyon University
  • Part Time Faculty, Capella University
  • Director, Biostatistics, Epidemiology & Research Design