This is the website for Don’s statistical methodological work, which contains PDF presentation files, syntax examples, and PDFs of publications in a number of areas:

Don Hedeker’s CV

Recent publications
  • Gill, N. & Hedeker D. (2023).  Fast estimation of mixed-effects location-scale regression models. Statistics in Medicine, 42:1430-1444.  pdf file
  • Brown CH, Hedeker D, Gibbons RD, Duan N, Almirall D, Gallo C, Burnett-Zeigler I, Prado G, Young SD, Valido A, Wyman PA. (2022, epub).  Accounting for Context in Randomized Trials after Assignment. Prevention Science. pdf file  supplementary materials
  • Zhang, X. & Hedeker, D. (2022).  Defining R-squared measures for mixed-effects location scale models.  Statistics in Medicine, 41:4467-4483.  pdf file.
  • Ma, Q. Mermelstein, R. & Hedeker, D. (2022).  A shared-parameter location-scale mixed model to link the responsivity in self-initiated event reports and the event-contingent Ecological Momentary Assessments.  Statistics in Medicine, 41:1780-1796.  pdf file
  • Hedeker, D. & Mermelstein, R.J. (2022). Modeling Variation in Intensive Longitudinal Data.  In A.A. O’Connell, D. B. McCoach, & B. Bell (Eds.), Multilevel Modeling Methods with Introductory and Advanced Applications. Information Age Publishing.  pdf file
  • Lin, X., Mermelstein, R.J., & Hedeker, D. (2021).  Analysis of multivariate longitudinal substance use outcomes using multivariate mixed cumulative logit model.  BMC Medical Research Methodology, 21:239.  pdf file
  • Yaremych, H.E, Preacher, K.J., & Hedeker, D. (2021, epub). Centering categorical predictors in multilevel models: Best practices and interpretation. Psychological Methods.  pdf file