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Research interests ·
Publications
Research interests
Spatiotemporal models, graphical models, computational social science, Bayesian statistics,
modeling of complex dynamical phenomena using big data.
Publications
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Tanser, F.C., Kim, H.Y., Mathenjwa, T., Shahmanesh, M., Seeley, J., Matthews, P., Wyke, S., McGrath, N., Adeagbo, O., Sartorius, B., Yapa, H.M., Zuma, T., Zeitlin, A., Blandford, A., Dobra, A., Barnighausen, T. (2021). Home-Based Intervention to Test and Start (HITS): a community-randomized controlled trial to increase HIV testing uptake among men in rural South Africa. Journal of the International AIDS Society, 24(2):e25665. doi: 10.1002/jia2.25665. PMID: 33586911; PMCID: PMC7883477.
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| (69) |
Williams, N. E., Yao, X., Pall, A., Qian, X., Rathod, M., Xu, C., and Dobra, A. (2020). An innovative non-pharmaceutical intervention to mitigate SARS-CoV02 spread: probability sampling to identify and isolate asymptomatic cases, available on medRxiv.
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Vandormael, A., Cuadros, D., Dobra, A., Barnighausen, T., and Tanser, F. (2020). HIV incidence declines in a rural South African population: a G-imputation approach for inference, BMC Public Health, 20, 1205.
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| (67) |
Dong, Z., Chen, Y.-C. and Dobra, A. (2020). A statistical framework for measuring the temporal stability of human mobility patterns, Journal of Applied Statistics, DOI: 10.1080/02664763.2019.1711363.
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| (66) |
Chen, Y.-C. and Dobra, A. (2020). Measuring human activity spaces with density ranking based on GPS data, Annals of Applied Statistics, 14, 409-432.
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| (65) |
Hae-Young, K., Dobra, A., and Tanser, F. (2020). Migration and first-year maternal mortality among HIV-positive postpartum women: A population-based longitudinal study in rural South Africa, PLoS Med 17(3): e1003085.
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Vandormael, A., Tanser, F., Cuadros, D. and Dobra, A. (2020). Estimating trends in the incidence rate with interval censored data and time-dependent covariates, Statistical Methods in Medical Research, 29, 272–281.
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| (63) |
Dobra, A., Buhikire, K. and Voss, J. G. (2019). Identifying mediating variables with graphical models: an application to the study of causal pathways in people living with HIV, Journal of Applied Statistics, DOI: 10.1080/02664763.2019.1669543.
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| (62) |
Williams, N. E. and Dobra, A. (2019). Putting hazardous events in sequence: how the historical context of events influences human responses, submitted.
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| (61) |
Dobra, A., Barnighausen, T., Vandormael, A. and Tanser, F. (2019). A method for statistical analysis of repeated residential movements to link human mobility and HIV acquisition, PLOS ONE, 14(6): e0217284.
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| (60) |
Dobra, A., Valdes, C., Ajdic, D., Clarke, B. and Clarke, J. (2019). Modeling association in microbial communities with clique loglinear models, Annals of Applied Statistics, 12, 815-845.
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| (59) |
Mathenjwa, T. , Kim, H.-Y., Zuma, T., Shahmanesh, M., Seeley, J., Matthews, P., Wyke, S., McGrath, N., Sartorius, B., Yapa, H. M., Adeagbo, O., Blandford, A., Dobra, A., Barnighausen, T. and Tanser, F. (2019). Home-based intervention to test and start (HITS) protocol: a cluster-randomized controlled trial to reduce HIV-related mortality in men and HIV incidence in women through increased coverage of HIV treatment, BMC Public Health, 19, 969.
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| (58) |
Liu, M., McCurry, S.M., Belza, B., Dobra, A., Buchanan, D.T., Vitiello, M.V. and Von Korff, M. (2019). Effects of Osteoarthritis Pain, and Concurrent Insomnia and Depression on Health Care Use in a Primary Care Population of Older Adults, Arthritis Care & Research, 71(6):748-757.
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| (57) |
Tanser, F., Kim, H.-Y., Mthenjwa, T., Shahmanesh, M., Seeley J., Matthews, P., Wyke, S., McGrath, N., Adeagbo, O., Sartorius, B., Yapa, M., Zuma, T., Zeitlin, A., Blandford, A., Dobra, A., and Barnighausen, T. (2019). The Impact of extrinsic versus intrinsic motivators for increasing HIV testing
uptake among men: A novel community-randomized trial in rural South Africa, submitted.
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| (56) |
Dobra, A. and Mohammadi, A. (2018). Loglinear model selection and human mobility, Annals of Applied Statistics, 12, 815-845.
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Tanser, F., Barnighausen, T., Dobra, A. and Sartorius, B. (2018). Identifying ``corridors of HIV transmission'' in a severely affected rural South African population: a case for a shift toward targeted prevention strategies, International Journal of Epidemiology, 47, 537-549.
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Vandormael, A., Dobra, A., Barnighausen, T., de Oliveira, T. and Tanser, F. (2018). Incidence rate estimation, periodic testing and the limitations of the mid-point imputation approach, International Journal of Epidemiology, 47, 236-245.
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Liu, M., McCurry, S.M., Belza, B., Dobra, A., Buchanan, D.T., Von Korff, M. and Vitiello, M.V. (2018). Effects of Pain, Insomnia, and Depression on Psychoactive Medication Supply in Older Adults with Osteoarthritis, Medical Care, 56(12):1024-1031.
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| (52) |
Mohammadi, A. and Dobra, A. (2017). The R package BDgraph for Bayesian structure learning in graphical models, ISBA Bulletin, 24, 11-16.
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| (51) |
Dobra, A., Barnighausen, T., Vandormael, A. and Tanser, F. (2017). Space-time migration patterns and risk of HIV acquisition in rural South Africa, AIDS, 31, 137-145.
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Briollais, L., Dobra, A., Liu, J., Ozcelik, H. and Massam, H. (2016). A Bayesian graphical model for genome-wide association studies (GWAS), Annals of Applied Statistics, 10, 786-811.
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Friedlander, M., Dobra, A., Massam, H. and Briollais, L. (2016). Analyzing genome-wide association study data with the R Package genMOSS, R package available on CRAN.
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Tanser, F., Barnighausen, T., Vandormael, A. and Dobra, A. (2015). HIV treatment cascade in migrants and mobile populations, Current Opinion in HIV and AIDS, 6, 430-438.
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| (47) |
Dobra, A., Williams, N.E. and Eagle, N. (2015). Spatiotemporal detection of unusual human population behavior using mobile phone data, PLoS ONE, 10(3): e0120449. doi:10.1371/journal.pone.0120449
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Williams, N.E., Thomas, T.A., Dunbar, M., Eagle, N. and Dobra, A. (2015). Measures of human mobility using mobile phone records enhanced with GIS data, PLoS ONE 10(7): e0133630. doi:10.1371/journal.pone.0133630.
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Dobra, A. (2015). Graphical modeling of spatial health data, book chapter in Handbook of Spatial Epidemiology, First Edition, Eds. Lawson, A. B., Banerjee, S., Haining, R. P., Ugarte, M. D., Taylor and Francis Group, LLC, Boca Raton, FL.
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Smith, T., Wakefield, J. and Dobra, A. (2015). Restricted covariance priors with applications in spatial statistics, Bayesian Analysis, 10, 965-990.
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Clarke, B., Valdes, C., Dobra, A. and Clarke, J. (2015). A Bayes testing approach to metagenomic profiling in bacteria, Statistics and Its Interface 8, 173-185.
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O'Connor, R., Dobra, A., Voss, J., Pihoker, C and Doorenbos, A. (2015). Type 1 diabetes among East African immigrant and nonimmigrant Black youth in the U.S., Journal of Pediatric Nursing, 30, 834-841.
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Dobra, A. (2014). Comment on Article by Finegold and Drton, Bayesian Analysis, 9, 564-565.
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Kohen, R., Dobra, A., Tracy, J. H. and Haugen, E. (2014). Transcriptome profiling of human hippocampus dentate gyrus granule cells in mental illness. Translational Psychiatry, 4, e366; doi:10.1038/tp.2014.9.
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O'Connor, R., Dobra, A., Voss, J., Pihoker, C and Doorenbos, A. (2014). Glycemic control in US immigrant and nonimmigrant black youth with type 1 diabetes. Journal of Immigrant and Minority Health, 1-4, doi:10.1007/s10903-014-9980-3.
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Dobra, A. (2013). Comment on Article by Scutari, Bayesian Analysis, 8, 533-538.
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Dobra, A. (2012). Dynamic Markov bases. Journal of Computational and Graphical Statistics, 21, 496-517.
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Klimova, A., Rudas, T. and Dobra, A. (2012). Relational models for contingency tables, Journal of Multivariate Analysis, 104, 159-173.
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Dobra, A., Lenkoski, A. and Rodriguez, A. (2011). Bayesian inference for general Gaussian graphical models with application to multivariate lattice data, Journal of the American Statistical Association, 106, 1418-1433.
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Dobra, A. and Lenkoski, A. (2011). Copula Gaussian graphical models and their application to modeling functional disability data. Annals of Applied Statistics, 5, 969-993.
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Rodriguez, A., Lenkoski, A. and Dobra, A. (2011). Sparse covariance estimation in heterogeneous samples, Electronic Journal of Statistics, 5, 981-1014.
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Lenkoski, A. and Dobra, A. (2011). Computational aspects related to inference in Gaussian graphical models with the G-Wishart prior, Journal of Computational and Graphical Statistics, 20, 140-157.
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Voss, J.G., Dobra, A., Morse, C., Kovacs, J.A., Danner, R.L., Munson, P.J., Logan, C., Rangel, Z., Adelsberger, J.W., McLaughlin, M., Adams, L.D., Raju, R. and Dalakas, M.C. (2011). Fatigue-related HIV disease gene-networks identified in CD14+ cells isolated from HIV infected patients - Part II Statistical Analysis. Biological Research for Nursing, 15, 152-159.
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Voss, J.G., Dobra, A., Morse, C., Kovacs, J.A., Danner, R.L., Munson, P.J., Logan, C., Rangel, Z., Adelsberger, J.W., McLaughlin, M., Adams, L.D., Raju, R. and Dalakas, M.C. (2011). Fatigue-related HIV disease gene-networks identified in CD14+ cells isolated from HIV infected patients - Part I Research Findings. Biological Research for Nursing, 15, 137-151.
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Wakefield, J., Haneuse, S., Dobra, A. and Teeple, B. (2011). Bayes computation for ecological inference. Statistics in Medicine, 30, 1381-1396.
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Dobra, A. and Fienberg, S.E. (2010). The generalized shuttle algorithm. Algebraic and geometric methods in statistics, Volume dedicated to Professor Giovanni Pistone, Cambridge University Press (P. Gibilisco, E. Riccomagno, M.P. Rogantin and H.P. Wynn, eds.), 135-156.
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Dobra, A., Briollais, L., Jarjanazi, H., Ozcelik, H. and Massam, H. (2010). Applications of the mode oriented stochastic search (MOSS) algorithm for discrete multi-way data to genomewide studies. Bayesian Modeling in Bioinformatics, Taylor & Francis (D. Dey, S. Ghosh and B. Mallick, eds.), 63-93.
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Dobra, A., Eicher, T.S. and Lenkoski, A. (2010). Modeling uncertainty in macroeconomic growth determinants using Gaussian graphical models. Statistical Methodology, 7, 292-306.
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Dobra, A. and Massam, H. (2010). The mode oriented stochastic search (MOSS) algorithm for log-linear models with conjugate priors. Statistical Methodology, 7, 240-253.
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Dobra, A. (2009). Variable selection and dependency networks for genomewide data. Biostatistics, 10, 621-639.
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Massam, H., Liu, J. and Dobra, A. (2009). A conjugate prior for discrete hierarchical log-linear models. Annals of Statistics, 37, 3431-3467.
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Dobra, A., Fienberg, S.E., Rinaldo, A., Slavkovic, A. and Zhou, Y. (2009). Algebraic statistics and contingency table problems: estimation and disclosure limitation. IMA Volume 149 on Emerging applications of algebraic geometry (S. Sullivant and M. Putinar, eds.). Springer Science, 63-88.
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Hans, C., Dobra, A. and West, M. (2007). Shotgun stochastic search for "large p" regression. Journal of the American Statistical Association, 102, 507-516.
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Hans, C., Quanli, W., Dobra, A. and West, M. (2007). SSS: Software for high-dimensional Bayesian regression model search. Bulletin of the International Society for Bayesian Analysis, 14, 8-9.
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Dobra, A., Tebaldi, C. and West, M. (2006). Data augmentation in multi-way contingency tables with fixed marginal totals. Journal of Statistical Planning and Inference, 136, 355-372.
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Huber, M., Chen, Y., Dinwoodie, I., Dobra, A. and Nicholas, M. (2006). Monte Carlo algorithms for Hardy-Weinberg proportions. Biometrics, 62, 49-53.
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Chen, Y., Dinwoodie, I., Dobra, A. and Huber, M. (2005). Lattice points, contingency tables, and sampling. Contemporary Mathematics, 374, 65-78.
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Jones, B., Carvalho, C., Dobra, A., Hans, C., Carter, C. and West, M. (2005). Experiments in stochastic computation for high dimensional graphical models. Statistical Science, 20, 388-400.
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DeLong, M., Yao, G., Wang, Q., Dobra, A., Black, E.P., Chang, J.T., Bild, A., West, M., Nevins, J.R. and Dressman, H. (2005). DIG - a system for gene annotation and functional discovery. Bioinformatics, 21, 2957-2959.
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Rich, J.N., Hans, C., Jones, B., Iversen, E.S., McClendon, R.E., Rasheed, B.K.A., Dobra, A., Dressman, H.K., Bigner, D.D., Nevins, J.R. and West, M. (2005). Gene expression profiling and analysis in graphical association studies in glioblastoma survival. Cancer Research, 65, 4051-4058.
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Dobra, A. and West, M. (2004). Bayesian Covariance Selection. Working paper, Duke University.
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Dobra, A. and Sullivant, S. (2004). A divide-and-conquer algorithm for generating Markov bases of multi-way tables. Computational Statistics, 19, 347-366.
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Dobra, A., Hans C., Jones, B., Nevins J.R., Yao, G. and West, M. (2004). Sparse graphical models for exploring gene expression data. Journal of Multivariate Analysis, special issue on Multivariate Methods in Genomic Data Analysis, 90, 196-212.
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Dobra, A. (2003). Markov bases for decomposable graphical models. Bernoulli, 9, No. 6, 1-16.
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Dobra, A., Karr, A. and Sanil A. (2003). Preserving confidentiality of high-dimensional tabulated data: statistical and computational issues. Statistics and Computing, 13, 363-370.
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Dobra, A., Fienberg, S. E. and Trottini, M. (2003). Assessing the risk of disclosure of confidential categorical data. Bayesian Statistics 7 (J. M. Bernardo, M. J. Bayarri, J. O. Berger, A. P. Dawid, D. Heckerman, A. F. M. Smith and M. West, eds.), Oxford University Press, 125-144.
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Dobra, A. and Fienberg, S. E. (2003). How large is the World Wide Web? Web Dynamics (M. Levene and A. Poulovassilis, eds.), Springer-Verlag, 23-45.
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Dobra, A. and Fienberg, S. E. (2003). Bounding entries in multi-way contingency tables given a set of marginal totals. In Y. Haitovsky, H. R. Lerche and Y. Ritov, editors, Foundations of Statistical Inference, Proceedings of the Shoresh Conference 2000, 3-16. Springer-Verlag, Berlin.
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Dobra, A., Karr, A., Sanil, A. and Fienberg, S. E. (2002). Software systems for tabular data releases. International Journal of Uncertainty, Fuzziness and Knowledge Based Systems, special issue on Aggregation and Risk Assessment on Statistical Disclosure Control, 10, 529-544.
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Karr, A., Dobra, A. and Sanil, A. (2002). Table servers: protecting confidentiality in tabular data releases. Communications of the ACM, special issue on Digital Government, 46, No. 1, 57-58.
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Dobra, A., Erosheva, E. A. and Fienberg, S. E. (2002). Disclosure limitation methods based on bounds for large contingency tables with application to disability data. In H. Bozdogan, ed., Statistical Data Mining and Knowledge Discovery, CRC Press.
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Dobra, A. and Fienberg, S. E. (2001). Bounds for cell entries in contingency tables induced by fixed marginal totals. UNECE Statistical Journal, 18, 363-371.
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Dobra, A. and Fienberg, S. E. (2000). Bounds for cell entries in contingency tables given marginal totals and decomposable graphs. Proceedings of the National Academy of Sciences, 97, No. 22, 11885-11892.
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