Selected Papers

2016

• Vanegas, L. H. and Paula, G. A. (2016). Log-symmetric distributions: statistical properties and parameter estimation. Brazilian Journal of Probability and Statistics 30, 196-220.
• Manghi, R. F., Paula, G. A. and Cysneiros, J. F. A. (2016). On elliptical multilevel models. Journal of Applied Statistics 43, 2150-2171.
  
• Relvas, C. E. M. and Paula, G. A. (2016). Partially linear models with first order autoregressive symmetric errors. Statistical Papers (to appear). 
• Vanegas, L. H. and Paula, G. A. (2016). An extension of log-symmetric regression models: R codes and applications. Journal of Statistical Simulation and Computation 86, 1709-1735.

2015

• Vanegas, L. H. and Paula, G. A. (2015). A semiparametric approach for joint modeling of median and skewness. TEST 24, 110-135.

2014

• Ibacache-Pulgar,G., Paula, G. A. and Galea, M. (2014). On influence diagnostics in elliptical multivariate regression models with equicorrelated random errors. Statistical Methodology 16, 14-31.

2013

• Paula, G. A. (2013). On diagnostics in double generalized linear models. Computational Statistics and Data Analysis 68, 44-51.
• Ibacache-Pulgar, G., Paula, G. A. and Cysneiros, F. J. A. (2013). Semiparametric additive models under symmetric distributions. TEST 22, 103-121.
• Villegas, C., Paula, G. A., Cysneiros, F. J. A. and Galea, M. (2013). Influence diagnostics in generalized symmetric linear models. Computational Statistics and Data Analysis 59, 161-170.

2012

• Ibacache-Pulgar, G., Paula, G. A. and Galea, M. (2012). Influence diagnostics for elliptical semiparametric mixed models. Statistical Modelling 12, 165-193.
• Paula, G. A., Leiva, V., Barros, M. and Liu, S. (2012). Robust statistical modeling using Birnbaum-Saunders-t distribution applied to insurance. Applied Stochastic Models in Business and Industry 28, 16-34.
• Russo, C. M., Paula, G. A., Cysneiros, F. J. A. and Aoki, R. (2012). Influence diagnostics in heteroscedastic and/or autoregressive nonlinear elliptical models for correlated data. Journal of Applied Statistics 39, 1049-1067.
• Fabio, L. C., Paula, G. A. and de Castro, M. (2012). A Poisson mixed model with nonnormal random effect distribution. Computational Statistics and Data Analysis 56, 1499-1510.
• Russo, C. M., Aoki, R. and Paula, G. A. (2012). Assessment of variance components in nonlinear mixed-effect elliptical models. TEST 21, 519-545.

  2011

• Villegas, C., Paula, G. A. and Leiva, V. (2011). Birnbaum-Saunders mixed models for censored reliability data analysis. IEEE Transactions on Reliability 60, 748-757.
• Ibacache-Pulgar, G. and Paula, G. A. (2011). Local influence for Student-t partially linear models. Computational Statistics and Data Analysis 55, 1462-1478.
• Hashimoto, E. M., Ortega, E. M. M., Paula, G. A. and Barreto, M. L. (2011). Regression models for grouped survival data. Computational Statistics and Data Analysis 55, 993-1007.
• Silva, G. O., Ortega, E. M. M. and Paula, G. A. (2011). Residuals for log-Burr XII regression models in survival analysis. Journal of Applied Statistics 38, 1435-1445.

2010

• Cancho, V. G., Ortega, E. M. M. and Paula, G. A. (2010). On estimation and influence diagnostics for log-Birnbaum-Saunders regression models. Journal of Statistical Planning and Inference 140, 2486-2496.
• Paula, G. A. and Cysneiros, F. J. A. (2010). Local influence under parameter constraints. Communications in Statistics - Theory and Methods 39, 1212-1228.

2009

• Ortega, E. M. M., Cancho, V. G. and Paula, G. A. (2009). Generalized log-gamma regression models with cure fraction. Lifetime Data Analysis 15, 79-106.
• Paula, G. A., Medeiros, M. J. e Vilca-Labra, F. E. (2009). Influence diagnostics for linear models with first-order autoregressive elliptical errors. Statistics and Probability Letters 79, 339-346.
• Osorio, F., Paula, G. A. and Galea, M. (2009). On estimation and influence diagnostics for the Grubbs' model under heavy-tailed distribution. Computational Statistics and Data Analysis 53, 1249-1263.
• Paula, G. A. and Cysneiros, F. J. A. (2009). Systematic risk estimation in symmetric models. Applied Economics Letters 16, 217-221.
• Barros M., Paula, G. A. and Leiva, V. (2009). An R implementation for generalized Birnbaum-Saunders distributions. Computational Statistics and Data Analysis 53, 1511-1528.
• Russo, C., Paula, G. A. and Aoki, R. (2009). Influence diagnostics in nonlinear mixed-effects elliptical models.Computational Statistics and Data Analysis 53, 4143-4156.

2008

• Leiva, V., Barros, M.; Paula, G. A. and Sanhueza, A. (2008). Generalized Birnbaum-Saunders distribution applied to air pollutant concentration. Environmetrics 19, 235-249.
• Carrasco, J. M., Ortega, E. M. M. and Paula, G. A. (2008). Log-modified Weibull regression models with censored data: sensitivity and residual analysis. Computational Statistics and Data Analysis 52, 4021-4039.
• Barros, M., Paula, G. A. and Leiva, V. (2008). A new class of survival regression models with heavy-tailed errors: robustness and diagnostics. Lifetime Data Analysis 14,316-332.
• Ortega, E. M. M., Paula, G. A. and Bolfarine, H. (2008). Deviance residuals in generalized log-gamma regression models with censored data. Journal of Statistical Computation and Simulation 78, 747-764.
• Leiva, V., Sanhueza, A.; Sen, P. K. and Paula, G. A. (2008). Random number generators for the generalized Birnbaum-Saunders distribution. Journal of Statistical Computation and Simulation 78, 1105-1118.

2007

• Osorio, F., Paula, G. A. and Galea, M. (2007). Assessment of local influence in elliptical linear models with longitudinal structure. Computational Statistics and Data Analysis 51, 4354-4368.
• Cysneiros, J. F. A., Paula, G. A. and Galea, M. (2007). Heteroscedastic symmetrical linear models. Statistics and Probability Letters 77, 1084-1090.
• Leiva, V., Barros, M., Paula, G. A. and Galea, M. (2007). Influence diagnostics in log-Birnbaum Saunders regression models with censored data. Computational Statistics and Data Analysis 51, 5694-5707.
• PariseFilho, R., Menezes, C. M. S., Pinto, P. L. S., Paula, G. A., Brandt, C. A., Silveira, M. A. B.(2007). Design, synthesis, and in vivo evaluation of oxamniquine methacrylate and acrylamide. Bioorganic & Medicinal Chemistry 15, 1229-1236.

2006

• Savalli, C., Paula, G. A. and Cysneiros, F. J. A. (2006). Assessment of variance components in elliptical linear mixed models. Statistical Modelling 6, 59-76.

2005

• Cysneiros, J. F. A. and Paula, G. A. (2005). Restricted methods in symmetrical linear regression models. Computational Statistics and Data Analysis 49, 689-708.
• Galea, M., Paula, G. A. and Cysneiros, F. J. A. (2005). On diagnostic in symmetrical nonlinear models. Statistics and Probability Letters 73, 459-467.
• Paula, G. A. (2005). Comentário sobre o artigo "Conceitos de Estatística: Reflexões" de Carlos A. B. Pereira. Revista Brasileira de Estatística 66, 7-49.

2004

• Galea, M., Leiva-Sánchez, V. and Paula, G. A. (2004). Influence diagnostics in Log-Birnbaum-Saunders regression models. Journal of Applied Statistics 31, 1049-1064.
• Cysneiros, J. F. A. and Paula, G. A. (2004). One-sided tests in linear models with multivariate t-distribution. Communications in Statistics - Simulation and Computation 33, 747-771.

2003

• Galea, M., Paula, G. A. and Uribe-Opazo, M. (2003). On influence diagnostics in univariate elliptical linear regression models. Statistical Papers 44, 23-45.
• Ortega, E. M. M., Bolfarine, H. and Paula, G. A. (2003). Influence diagnostics in generalized log-gamma regression models. Computational Statistics and Data Analysis 42, 165-186.
• Svetliza,C. F. and Paula, G. A. (2003). Diagnostics in nonlinear negative binomial models. Communications in Statistics, Theory and Methods 32, 1227-1250.
• Menezes, C. M. S., Kirchgatter, K., Di Santi, S. M. F., Savalli, C.; Monteiro, F. G., Paula, G. A. and Ferreira, E. I. (2003). In vitro evaluation of verapamil and other modulating agents in Brazilian chloroquine-resistent Plasmodium falciparum isolotes. Revista da Sociedade Brasileira de Medicina Tropical 36, 5-9.

2002

• de Souza, F. A. M. and Paula, G. A. (2002). Deviance residuals for an angular response . Australian and New Zealand Journal of Statistics 44, 345-356.
• Bolfarine,H., Cabral, C. R. B. and Paula, G. A. (2002). Distance tests under non regular conditions: applications to the comparative calibration model. Journal of Statistical Computation and Simulation 72, 231-244.
• *Menezes, C. M. S., Kirchgatter, K., Di Santi, S. M. F. ; Savalli, C.; Monteiro, F. G.; Paula, G. A. and Ferreira, E. I. (2002). In vitro chloroquinerresistence modulation study on fresh isolates of brazilian Plasmodium falciparum: intrinsic antimalarial activity of phenotiazine drugs. Memórias do Instituto Oswaldo Cruz 97, 1033 - 1039. *Trabalho contemplado em 2004 com o XI Prêmio "Vicente Amato Sobrinho" promovido pela Sociedade Médica Ítalo-Brasileira .

2001

• Svetliza,C. F. and Paula, G. A. (2001). On diagnostics in log-linear negative binomial models. Journal of Statistical Computation and Simulation 71, 231-244.
• Cardoso-Neto, J. and Paula, G. A. (2001). Wald one-sided test using generalized estimating equations approach. Computational Statistics and Data Analysis 36, 475-495.
• Menezes, C. M. S., Kirchgatter, K., Di Santi, S. M. F., Paula, G. A. and Ferreira, E. I. (2001). In vitro evaluation of quinidine sensitivity in brazilian Plasmodium falciparum isolates: comparative analysis to quinine and chloroquine. Revista do Instituto de Medicina Tropical de São Paulo 43, 221-226.

2000

• Artes, R., Paula, G. A. and Ranvaud, R. (2000). Analysis of circular longitudinal data based on generalised estimating equations. Australian and New Zealand Journal of Statistics 42, 347-358.
• Paula, G. A. and Artes, R. (2000). One-sided test to assess correlation in logistic linear models using estimating equations. Biometrical Journal 42, 701-714.
• Galea, M., Riquelme, M. and Paula, G. A. (2000). Diagnostic methods in elliptical linear regression models. Brazilian Journal of Probability and Statistics 14 , 167-184.

1999

• Paula, G.A. (1999).Leverage in inequality constrained regression models. The Statistician 48, 529-538.
• Paula, G.A. (1999). One-sided tests in generalized linear dose response models. Computational Statistics and Data Analysis 30, 413-427.
• Menezes, C.M.S., Kirchgatter, K., Di Santi, S. M. F., Savalli, C., Monteiro, F. G., Paula, G. A. and Ferreira, E. I. (1999). In vitro evaluation of erythromycin in chloroquine resistent brazilian Plasmodium falciparum freshly isolates: modulating effect and antimalarial activity evidence. Revista do Instituto de Medicina Tropical de São Paulo 41, 249-253.

1997

• Menezes, C.M.S., Kirchgatter, K., Di Santi, S.M.F., Savalli, C.; Monteiro, F. G., Paula, G. A. and Ferreira, E. I.(1997). Antimalarial effect in vitro and lack of modulating effect of desipramine and imipramine. Transactions of the Royal Society of Tropical Medicine and Hygiene 91, 697-700.
• Paula,G. A. and Rojas, O. V. (1997).On restricted hypotheses in extreme value regression models. Computational Statistics and Data Analysis 25, 143-157.
• Galea, M., Paula, G. A. and Bolfarine, H.(1997). Local influence in elliptical linear regression models. The Statistician 46,71-79.

1996

• Paula, G.A. (1996). Influence diagnostic in proper dispersion models. The Australian Journal of Statistics 38, 307-316.
• Paula, G.A. (1996). On approximation of the level probabilities for testing ordered parallel regression lines. Statistics and Probability Letters 30, 333-338.

1995

• Paula, G.A. and Sen, P. K. (1995). One-sided tests for generalized linear models with parallel regression lines. Biometrics 51, 1494-1501.
• Paula, G.A. (1995). Influence and residuals in restricted generalized linear models. Journal of Statistical Computationand Simulation 51, 315-331.
• Paula, G.A. and Cordeiro, G. M. (1995). Bias correction and improved residuals for non-exponential family nonlinear models. Communications in Statistics, Theory and Methods 24, 1193-1210.

1994

• Paula, G.A. and Sen, P. K.(1994).Tests of ordered hypotheses in linkage in heredity. Statistics and Probability Letters 20,395-400.
• Cordeiro,G. M., Paula, G. A. and Botter, D. A.(1994). Improved likelihood ratio tests for dispersion models. International Statistical Review 62, 257-274.

1993

• Paula, G.A. (1993). Assessing local influence in restricted regression models. Computational Statistics and Data Analysis 16, 63-79.
• Cordeiro,G. M., Ferrari, S. L. P. and Paula, G. A. (1993). Improved score tests in generalized linear models. Journal of the Royal Statistical Society B 55, 661-67.

1992

• Paula, G. A. (1992). Bias correction for exponential family nonlinear models. Journal of Statistical Computation and Simulation 40, 43-54.
• Cordeiro, G. M. and Paula, G. A. (1992).Estimation, large-sample parametric tests and diagnostics for non-exponential family nonlinear models. Communications in Statistics, Simulation and Computation 21, 149-172.

1989

• Cordeiro,G.M. and Paula, G. A.(1989). Improved likelihood ratio statistics for exponential family nonlinear models. Biometrika 76, 93-100.
• Cordeiro,G. M. and Paula, G. A. (1989). Fitting non-exponential family nonlinear models in GLIM by using the offset facility. Lecture Notes in Statistics 57 , 105-114.

1988

• Dachs, J. N. W. and Paula, G. A. (1988).Testing for ordered ratio rates in follow-up studies with incidency density data. Brazilian Journal of Probability and Statistics 2, 125-137.
• Paula, G.A. and Peres, C. A. (1988). Diagnostics for GLMs with linear inequality parameter constraints. Communications in Statistics, Theory and Methods 17, 4205-4219.

1987

• Paula, G. A. (1987). Projected residuals in Glim. GLIM Newsletter 15, 28-31.