Luis Raul Pericchi Guerra

Luis Raul Pericchi Guerra

Luis Raul Pericchi Guerra
Full Professor
787-764-0000 x. 88267, 88283
Director, Biostatistics and Bioinformatics Center

Bayesian Modeling and Model Selection, Biostatistics and Bioinformatics, Bayesian Analysis and Design of Clinical Trials, Robust Statistical Analyses, Hierarchical models, Multilevel Models and Meta-Analysis, Analysis of Diagnosability in medical statistics and expert systems, Statistical Applications to Anthropology, Biomedicine, Economics, Engineering and Genetics, Data transformations and Data analysis.

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1. Achcar J.A., Bolfarine H. and Pericchi L.R.(1989) Some applications of Bayesian methods in analysis of  life data. Revista Brasileira de Probabilidade e Estatistica REBRAPE 3, p. 125-148.

2. Pereira C.A.B. and Pericchi L.R. (1990) Analysis of Diagnosability. Journal of the Royal Statistical Society       Series C, Applied Statistics 39(2), p. 189-204.

3. Berger J.O. and Pericchi L.R. (1996) The Intrinsic Bayes Factor for Model Selection and Prediction. Journal    of the American Statistical Association, 91, 433, p. 109-122.

4. Dominguez-Bello M.G., Perez M.E. and Pericchi L.R.( (1997) ”Modification of the Christiansen urease test for Detection of Helicobacter Pylori”, Diagnostic Microbiology and Infections Disease. Vol. 28, pp. 235-    244.

5. Perez M.E., Glass R., Alvarez G., Pericchi L.R., Gonzalez R., Kapikian A., and Perez-Schael, I.,(2001)  “Rhesus Rotavirus-based quadrivalent vaccine is efficacious despite age, socioeconomic conditions and seasonality in Venezuela”, Vaccine, Vol.19, No. 7-8, p. 976-981.

6. Pacheco N., Mago V., G´omez I., Gueneau P., Guelrud., Reyes N., Pericchi L.R. and Dom´?nguez-Bello M.G. (2001) “Comparison of PCR and common clinical tests for the diagnosis of H. pylori in Dyspeptic patients” Diagnostic Microbiology and Infectious Disease, 39, p. 207-10.

7. Berger J.O. and Pericchi L.R. (2001) ”Objective Bayesian Model Selection. Introduction and Comparisons”,    in Lectures Notes of the Institute of Mathematical Statistics. ”Model Selection”, editor: P. Lahiri, pp. 135-207.

8. Dominguez-Bello M.G. Beker B. Guelrud M. Vivas J. Peraza S. Perez M.E. and Pericchi L.R. (2002) “Socioeconomic and Seasonal variations of H. Pylory infection in patients in Venezuela”. American Journal of Tropical Medicine and Hygiene, Vol. 66, pp. 49-51.

9. Marini E, Maldonado A, Cabras S, Hidalgo G, Buffa R, Marin A, Flores G, Racugno W, Pericchi LR, Castellanos ME, Groeschl M, Blaser MJ, Dominguez-Bello MG. (2007) Helicobacter pylori and intestinal  parasites are not detrimental to the nutritional status of Amerindians. American Journal of Tropical Medicine and Hygiene 76: pp. 534-540.

10. Maria G. Dominguez-Bello, Maria E. P´erez, Maria C. Bortolini, Francisco M. Salzano, Luis R. Pericchi,            Orlisbeth Zambrano-Guzmn, Bodo Linz. (2008) ”Amerindian Helicobacter pylori strains go extinct, as European strains expand their host range”. Public Library of Science. PLoS ONE 3(10): e3307 doi:10.1371/journal.pone.0003307.

11. Cook J.D. and Pericchi (2008) ”Robust Bayesian Priors with applications to Clinical Trials: Information and Cross-Entropic Approaches”. In Bayesian Inference and Maximum Entropy Methods in Science and Engineering. De Souza Lauretto et al editors. American Institute of Physics, pp. 278-285.

12. Fuquene J.A., Cook J.D. and Pericchi L.R. (2009) ”A Case for Robust Bayesian Priors with Applications to Clinical Trials”, BAYESIAN ANALYSIS, Vol. 4, Number 4, pp. 817-846. Available electronically in:

13. Cook J., Fuquene J. and Pericchi L.R. (2011) ”Skeptical and Optimistic Robust Priors for Clinical Trials”. Revista Colombiana de Probabilidad y Estad´?stica,volumen 34, no. 2, pp. 333-345. 14. Maldonado-Contreras A, Shrinivasrao MP, Xue-Song Z, Pericchi L, Alarcon T, Contreras M, Linz B, Blaser MJ   and Domnguez-Bello M. (2013) Phylogeographic evidence of cognate recognition site patterns and  transformation efficiency differences in H. pylori: theory of strain dominance. BioMed Central BMC Microbiology, 13:211-225.