Selected Peer-reviewed Publications

Modeling and Methods

• Improved small area inference from data integration using global-local priors  (with J Sedransk).  Under Review.

• Combining data from surveys and related sources  (with J Sedransk). Survey Methodology, 49(1), June 30, 2023. http://www.statcan.gc.ca/pub/12-001-x/2023001/article/00003-eng.htm  [pdf][link]

• Bayesian inference  for  asymptomatic COVID-19 infection rates (with J Sedransk). Statistics in Medicine, 41(16), 3131-3148, July 2022.  https://doi.org/10.1002/sim.9408,  [link][pdf][pdf2][pdf3]

• Flexible models for overdispersed and underdispersed count data (with E Di Nardo and F Polito). Statistical Papers, 62:2969–2990, Feb 2021.  https://doi.org/10.1007/s00362-021-01222-7,  [link][pdf]

• Inverse stable prior for exponential models (with J Sedransk). Journal of Statistical Theory and Practice, 13, Article 29,  June 2019. https://doi.org/10.1007/s42519-018-0027-2, [link 1][link 2][pdf][R package][GitHub]

• Log-moment estimators for the generalized Linnik and Mittag-Leffler distributions with applications to financial modeling (with W   Woyczyński). Journal of Mathematics and Statistics, 14 (1),  156-166,  2018. [pdf] https://doi.org/10.3844/jmssp.2018.156.166 

• Transient behavior of fractional queues and related processes (with F Polito and V  Phoha), Methodology and Computing in Applied Probability, 17(3), 739-759, Sept 2015. https://doi.org/10.1007/s11009-013-9391-2, [link][link 2][pdf]

• Some skew-symmetric distributions which include the bimodal ones. Communications in Statistics - Theory and Methods, 44(3), 554-563, Feb 2015. https://doi.org/10.1080/03610926.2012.746986, [link][pdf][R code]

• Parameter estimation for fractional birth and fractional death processes (with F Polito). Statistics and Computing, 24(2), 211-222, Mar 2014. https://doi.org/10.1007/s11222-012-9365-1, [link 1][link 2][link 3][link 4][pdf]

• A statistical reevaluation of the data used in the Lanphear et al. (2005) pooled-analysis that related low levels of blood lead to intellectual deficits in children  (with K Crump, T Bowers, J Chandalia and C Van Landingham). Critical Reviews in Toxicology, 43(9), 785-799, Oct 2013. PMID: 24040996, https://doi.org/10.3109/10408444.2013.832726, [link]

• Estimation of Mittag-Leffler parameters. Communications in Statistics - Simulation and Computation, 42(2), 303-315, 2013. https://doi.org/10.1080/03610918.2011.640094,  [link 1][link 2][link 3][pdf][Wikipedia][R package][GitHub]

• Renewal processes based on generalized Mittag-Leffler waiting times (with F Polito). Communications in Nonlinear Science and Numerical Simulation, 18(3), 639-650, Mar 2013. https://doi.org/10.1016/j.cnsns.2012.08.013, [link][pdf]

• Moment estimators for the two-parameter M-Wright distribution. Computational Statistics, 27(3), 487-497, Sept 2012. https://doi.org/10.1007/s00180-011-0269-x,  [link][link 2][pdf][R package][GitHub]

• An estimation procedure for the Linnik distribution. Statistical Papers, 53(3), 617-628, Aug 2012. https://doi.org/10.1007/s00362-011-0367-4, [link 1][link 2][link 3][link 4][Wikipedia][pdf]

• Simulation and estimation for the fractional Yule process (with F Polito). Methodology and Computing in Applied Probability, 14(2), 383-403, June 2012. https://doi.org/10.1007/s11009-010-9207-6, [link][link 2][pdf]

• Estimation and simulation for the M-Wright function. Communications in Statistics - Theory and Methods, 41(8), 1466-1477, Mar 2012. https://doi.org/10.1080/03610926.2010.543299, [link][pdf][R package][GitHub]

• On a fractional binomial process (with F Polito). Journal of Statistical Physics, 146(3), 646-662, Jan 2012. https://doi.org/10.1007/s10955-011-0408-3, [link][link 2][pdf]

• Parameter estimation for fractional Poisson processes (with V Uchaikin and W Woyczyński). Journal of Statistical Planning and Inference, 140(11), 3106-3120, Nov 2010. https://doi.org/10.1016/j.jspi.2010.04.016, [link 1][link 2][link 3][link 4][pdf][Wikipedia][R package][GitHub]

• A bootstrap test for equality of variances. Computational Statistics & Data Analysis, 54(10), 2306-2316, Oct 2010. https://doi.org/10.1016/j.csda.2010.04.012, [link][pdf][Matlab code][R code][R package][GitHub]

• Fractional processes: From Poisson to branching one (with V Uchaikin and R Sibatov). International Journal of Bifurcation and Chaos (in Applied Sciences and Engineering), 18(9), 2717-2725, Sept 2008. https://doi.org/10.1142/S0218127408021932, [link][pdf]

Applications

• Informing native plant sourcing for ecological restoration: Cold hardiness dynamics, flowering phenology, and survival of Eriogonum Umbellatum  (with M Fisk*, K Apostol, A Ross-Davis and A Davis).   Restoration Ecology, 27(3), 616-625, May 2019.  DOI: https://doi.org/10.1111/rec.12912, [link][pdf]

• Prevalence of serial inventors within academia (with R Kordal, B Koev* and E Sherer). Technology and Innovation (Journal of the National Academy of Inventors), 17(3), 113-126, 2016. https://doi.org/10.3727/194982415x14483045339283, [link][pdf]

• Discovery Process – R&D Lead Time Needed for Innovation (with R Kordal, S Minkabo* and E Sherer). Technology Transfer and Entrepreneurship, 3(1), 32-39, 2016.  https://doi.org/10.2174/2213809903666160324164826, [link][pdf]

• Libraries and student persistence at southern universities and colleges (with B Teske and M DiCarlo). Reference Services Review, 41(2), 266-279, 2013. https://doi.org/10.1108/00907321311326174, [link]

• Statistical-based approach for predicting the mechanical properties of geopolymer concretes (with I Diaz* and E Allouche). ASTM Special Technical Publication 1566, June 2013. https://doi.org/10.1520/STP156620120080, [pdf]

• Kernel duration and modulation gain in coupled oscillator model and their implications on the progress of seizures (with W Chen*, J Tasker and A Chiu). Network: Computation in Neural Systems, 23(1-2), 59-75, Mar 2012. https://doi.org/10.3109/0954898X.2012.678463, [link 1][link 2]

*graduate student co-author

Grants

• • Faculty Development Award, UHD, 2018 ($2.8k)

  • LA BoR Research Competitiveness Subprogram, Statistical methods for fractional birth-death processes, 2011-2014, role: PI ($118k)

  • Fellowship Grant, Center for Secure Cyberspace, Louisiana Tech University, Summer 2012 ($7k)

  • Travel grant to attend  a conference in US EPA, RTC, NC, May 13-16, 2009 ($1.5k)

Posters

• Inverse stable prior for rate, inverse scale, and inverse variance parameters (with J Sedransk), Joint Statistical Meetings, Denver, CO, 2019. [link][pdf] 

• Comparison of perceived exercise intensity and target heart rate during aquatic exercise (with C Reeves and L Deal). Society of Health and Physical Educator’s Southern District/Louisiana Association of Health Physical Education, Recreation, and Dance Annual Convention, Baton Rouge, LA, Jan 2017. [link] [pdf]

• Exploratory data mining and data requirements to support ToxCast goals (with K Crump and S Dua). ToxCast Data Analysis Summit, US EPA, RTP, NC, May 2009. [link][pdf] 

Preprints

• • ResearchGate

  • ArXiv

H-index and Citations

• ResearchGate

• Scopus

• Google Scholar

• Web of Science

Current Interests

bayesreg, bsts, MBSTS, glarma, tsIR, EpiLM,  MultiBD, MCMCandSIR, BayesianNonParametrics, Anscombe's quartet (or listen here) , pp.check, jagsUI