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Communications in international conferences

2022

 

  • Antunes,P., Ferreira, S.S., Ferreira, D. and Mexia, J.T. (2022). Bi-additive models and flood Flows in 13th Conference on Dynamical Systems Applied to Biology and Natural Sciences, DSABNS 2022 Virtual, Bilbao, Spain, February 8-11. (Virtual poster presentation) Poster_Patricia_Antunes_dsabns2022.pdf - Google Drive

 

  • Patrícia Antunes, Sandra S. Ferreira, Dário Ferreira and João T. Mexia. Estimation of Variance Components in Gamma Distributed Mixed Models in International Conference on Statistics and Mathematical Physics (ICSMP 2022) Virtual, April 15-16. (Virtual presentation) Microsoft Word - ICSMP 2022 - Book of Abstracts (filesusr.com)

 

  • Isaac Akoto, João T. Mexia, Fillipe J. Marques, Dário Ferreira. Asymptotic Treatment for Non-linear Statistic for Multinomial Models in International Conference on Statistics and Mathematical Physics (ICSMP 2022) Virtual, April 15-16. (Virtual presentation) Microsoft Word - ICSMP 2022 - Book of Abstracts (filesusr.com)

 

  • Dário Ferreira, Sandra S. Ferreira, Célia Nunes and João T. Mexia. Nesting random effects factors in fixed effects factors in 24th International Conference on Computational Statistics (COMPSTAT 2022). View Submission (cmstatistics.org)

 

  • Sandra S. Ferreira, Dário Ferreira, Célia Nunes and João T. Mexia. A simulation study considering mixed linear models with cumulants generated by a Weibull distribution in 24th International Conference on Computational Statistics (COMPSTAT 2022). View Submission (cmstatistics.org)

 

  • Dário Ferreira, Sandra S. Ferreira, Célia Nunes and João T. Mexia. Nesting random effects factors in fixed effects factors in LINSTAT 2022. LinStat2022-BoA.pdf (ipt.pt)

 

  • Patrícia Antunes, Sandra S. Ferreira, Dário Ferreira and João T. Mexia. Estimation of variance components in the mixed-Effects models: the case in which the random part follows a Gamma distribution in LINSTAT 2022. LinStat2022-BoA.pdf (ipt.pt)

 

  • Patrícia Antunes, Sandra S. Ferreira and Dário Ferreira. Estimation of variance componentes with Gamma distribution in 2nd Women in Mathematics Meeting, University of Minho, Braga, September 7-9, 2022.

          https://sites.google.com/view/wm22/welcome

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2021

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  • Antunes,P., Ferreira, S.S. and Ferreira, D. (2021). Prediction intervals in Bi-additive Models in Twenty-Eighth International Workshop on Matrices and Statistics (IWMS 2021). December 13 - 15, 2021 (Virtual presentation)e-Souvenir_IWMS_ICLAA_ACTGMG.pdf

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  • Ferreira, S.S., Ferreira, D., Nunes, C. and Mexia, J.T. (2021). Relationship between moments and cumulants in the multivariate case in MatTriad 202, 28- 29 October 2021, Tomar (Virtual presentation)  mattriad2021 (ipt.pt)

 

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  • Antunes,P., Ferreira, S.S. and Ferreira, D. (2021). Edgeworth approximation and Cumulants, in ENSPM2021 – Encontro Nacional da Sociedade Portuguesa de Matemática 2021 (online). Leiria, 12-16 Julho 2021  

 

  • Ferreira, D., Ferreira, S.S., Nunes, C. and Mexia, J.T.  (2021). Inference in prime factorial models, in Multivariate and Mixed Linear Models, 13.06.2021 - 19.06.2021, Będlewo & Online (hybrid) Programme (impan.pl)

 

 

2020

 

 

 

 

  •  Dário Ferreira, Sandra S. Ferreira, Célia Nunes and João T. Mexia (2020). Sums of squares in prime factorial designs, in VII Workshop on Computational Data Analysis and Numerical Methods (VII WCDANM), Portugal, September 10-12. http://www.wcdanm.ipt.pt/

 

  •  Isaac Akoto, João T. Mexia, Dário Ferreira and Gracinda Guerreiro (2020). Singular Multinomial Distribution and Discriminant Analysis, in VII Workshop on Computational Data Analysis and Numerical Methods (VII WCDANM), Portugal, September 10-12. http://www.wcdanm.ipt.pt/

 

  •  Patrícia Antunes, Sandra S. Ferreira, Dário Ferreira and João T. Mexia (2020). Bi-additive models, adjustment, confidence ellipsoids and prediction intervals, in VII Workshop on Computational Data Analysis and Numerical Methods (VII WCDANM), Portugal, September 10-12. http://www.wcdanm.ipt.pt/

 

  •  Sandra Ferreira, Isaac Akoto, Célia Nunes, Dário Ferreira and João T. Mexia (2020). Asymptotic results for the discrete case, in VII Workshop on Computational Data Analysis and Numerical Methods (VII WCDANM), Portugal, September 10-12. http://www.wcdanm.ipt.pt/

 

  •  João T. Mexia, Isaac Akoto, Sandra Ferreira, Célia Nunes and Dário Ferreira (2020). Asymptotic results for the discrete case - Part II, in VII Workshop on Computational Data Analysis and Numerical Methods (VII WCDANM), Portugal, September 10-12. http://www.wcdanm.ipt.pt/

 

 

  • Sandra S. Ferreira, Dário Ferreira, Célia Nunes and João T. Mexia (2020). Confidence Regions and Tests for Normal Models with Orthogonal Block Structure, in 9th International Euroasian Conference on Mathematical Sciences and Apllications (IECMSA-2020), August 25-28, 2020, Skopje – North Macedonia    www.iecmsa.org/media/dosyalar/Conference_Programme_2020_FkptqFK.pdf

 

  • Patrícia Antunes, Sandra Ferreira, Dário Ferreira and João T. Mexia (2020). Cumulants and their estimators in additive models, in 9th International Euroasian Conference on Mathematical Sciences and Apllications (IECMSA-2020), August 25-28, 2020, Skopje – North Macedonia

      www.iecmsa.org/media/dosyalar/Conference_Programme_2020_FkptqFK.pdf

 

  • Patrícia Antunes, Sandra S. Ferreira, Dário Ferreira and João T. Mexia (2020). Confidence Ellipsoids in Additive Models, in National Conference on Advances in Applied Sciences and Mathematics (NCASM-20), September 24-25, Chitkara University Punjab     https://chitkara.edu.in/ncasm-20/

 

  • Sandra S. Ferreira, Dário Ferreira, Célia Nunes and João T. Mexia (2020). Optimum Estimation and Marginal Distributions, in National Conference on Advances in Applied Sciences and Mathematics (NCASM-20), September 24-25, Chitkara University Punjab https://chitkara.edu.in/ncasm-20/

 

  • Antunes,P., Ferreira, S.S., Ferreira, D. and Mexia, J.T. (2020). Additive Models-An application in Natural Sciences. 11th Conference on Dynamical Systems Apllied to Biology and Natural Sciences (DSABNS 2020), Trento, Italy, February 4-7. Antunies_Patricia.dvi (unitn.it) 

 

  • Antunes,P., Ferreira, S.S., Ferreira, D. and Mexia, J.T. (2020). Additive Models-An application in Agriculture. 11th Conference on Dynamical Systems Apllied to Biology and Natural Sciences (DSABNS 2020), Trento, Italy, February 4-7.  (Poster) Antunes_Patricia.dvi (unitn.it) 

 

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2019

 

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  • Isaac Akoto, Dário Ferreira, Gracinda Guerreiro, Sandra S. Ferreira and João T. Mexia (2019). Multinomial Distribution and Discriminant Analysis: An application to discrete variables, in Book of Abstracts of WSMCXIII, 3-5 Junho 2019, Lisboa.     https://conferencesstat.wixsite.com/wsmc2019

 

 

 

  • Patrícia Antunes, Sandra S. Ferreira, Célia Nunes, Dário Ferreira and João T. Mexia (2019). Cumulant Generating Functions: a simulation study, in Book of Abstracts of WSMCXIII, 3-5 Junho 2019, Lisboa  https://conferencesstat.wixsite.com/wsmc2019

 

 

  • Anacleto Mário, Célia Nunes, Dário Ferreira, Sandra S. Ferreira and João T. Mexia(2019). Mixed effects models where the sample sizes are Binomial distributed, in Book of Abstracts of VI Workshop on Computational Data Analysis and Numerical Methods, June 27-29, 2019, University of Beira Interior, Covilhã, Portugal  http://www.wcdanm-ubi19.uevora.pt/

 

  • Isaac Akoto, Dário Ferreira, Gracinda Guerreiro, Sandra S. Ferreira and João T. Mexia (2019). Discrimination Rules: An Application to Discrete Variables, in Book of Abstracts of VI Workshop on Computational Data Analysis and Numerical Methods, June 27-29, 2019, University of Beira Interior, Covilhã, Portugal, http://www.wcdanm-ubi19.uevora.pt/

 

 

2018

 

 

  • João Tiago Mexia, Sandra Ferreira, Célia Nunes and Dário Ferreira.  Dialectics Model X Observations in Statistics, in ICOMS 2018,  International Conference on Mathematics and Statistics, 15-17 July 2018, University of Porto.   http://www.icoms.org/keynote.html

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  • Sandra S. Ferreira, Célia Nunes, Dário Ferreira and João T. Mexia.  Additive Models and Cumulant Generating Function, in ICOMS 2018,  International Conference on Mathematics and Statistics, 15-17 July 2018, University of Porto.   http://www.icoms.org/keynote.html

 

  • Célia Nunes, Anacleto Mário, Dário Ferreira, Sandra S. Ferreira and João T. Mexia.  Random sample sizes in orthogonal mixed models with stability in 18th International Conference on Computational and Mathematical Methods in Science and Engineering, CMMSE 2018, July 9–14, 2018, Rota, Cadiz – Spain. ISBN: 978-84-697-7861-6.  http://cmmse.usal.es/cmmse2018/

 

  • Sandra S. Ferreira, Dário Ferreira, Célia Nunes and J. T. Mexia. Estimation and Confidence Regions in Models with Orthogonal Block Structure, in 2nd International Conference on Econometrics and Statistics (EcoSta 2018), 19-21 June 2018, City University of Hong Kong, Hong Kong. http://cmstatistics.org/EcoSta2018/

 

  • Célia Nunes, Anacleto Mário, Dário Ferreira, Sandra S. Ferreira and João T. Mexia. Random sample sizes in orthogonal mixed model in Book of Abstracts:  V Workshop on Computational Data Analysis and Numerical Methods (WCDANM), 11 e 12 Maio, ESTG, Escola Superior de Tecnologia e Gestão, Instituto Politécnico do Porto, Felgueiras ISBN: 978-989-98447-6-6 http://www.wcdanm-ipporto18.uevora.pt/wp-content/uploads/2018/05/Book_of_Abstracts.pdf

 

  • Dário Ferreira, Sandra S. Ferreira, Célia Nunes and João T. Mexia. Estimation of variance components in linear mixed models under some constraints in Book of Abstracts:  V Workshop on Computational Data Analysis and Numerical Methods (WCDANM), 11 e 12 Maio, ESTG, Escola Superior de Tecnologia e Gestão, Instituto Politécnico do Porto, Felgueiras ISBN: 978-989-98447-6-6 http://www.wcdanm-ipporto18.uevora.pt/wp-content/uploads/2018/05/Book_of_Abstracts.pdf

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  • Sandra S. Ferreira, Célia Nunes, Dário Ferreira and João T. Mexia. A note on relationships between moments and cumulants in Book of Abstracts:  V Workshop on Computational Data Analysis and Numerical Methods (WCDANM), 11 e 12 Maio, ESTG, Escola Superior de Tecnologia e Gestão, Instituto Politécnico do Porto, Felgueiras ISBN: 978-989-98447-6-6 http://www.wcdanm-ipporto18.uevora.pt/wp-content/uploads/2018/05/Book_of_Abstracts.pdf

 

 

 

  • Patrícia Antunes, Sandra S. Ferreira, Célia Nunes, Dário Ferreira and João T. Mexia. Explicit relations between cumulants and moments in Book of Abstracts of WSMC12, 12th Workshop on Statistics, Mathematics and Computation In Honour of Professor Carlos Braumann, Covilhã, November, 9-10. ISBN: 978-989-654-485-0. https://docs.wixstatic.com/ugd/447163_769eddcd81084d1a84b0768aa1e91d4d.pdf

 

 

 

2017

 

  • Sandra S. Ferreira, Célia Nunes, Dário Ferreira (2017). Aplicações de Pi e Phi na Arte in Programa do 1º Encontro Luso-Brasileiro, TEAR – Territórios Artísticos com a Matemática, 10 a 12 novembro, Óbidos, Portugal. https://tearconferencia201.wixsite.com/tear2017/programa

 

  • C. Nunes, G. Capistrano, D. Ferreira, S. S. Ferreira and J.T. Mexia. Random sample sizes in one-way ANOVA with fixed effects in Book of Abstracts: IV Workshop on Computational Data Analysis and Numerical Methods (WCDANM), October 27, 2017, Beja

 

  • Célia Nunes, Sandra S. Ferreira, Dário Ferreira, Miguel Fonseca, Manuela M. Oliveira and João T. Mexia. Normal approximations for vec, trace and determinant of noncentral Wishart matrices in Book of Abstracts:  MAT TRIAD 2017- International Conference on MATRIX Analysis and its Applications, Będlewo, Poland, September 25-29, 2017

 

  • Mexia, J. T., Ferreira, S., Ferreira, D., and Nunes, C. Confidence Regions Prediction and Tests for Normal Models with Orthogonal Block Structure - Chi-Square Pivot Variables in Book of Abstracts: MAT TRIAD 2017- International Conference on MATRIX Analysis and its Applications, Będlewo, Poland, September 25-29, 2017

 

  • Nunes, Célia; Capistrano, Gilberto; Ferreira, Dário; Ferreira, Sandra; Tiago Mexia, João. (2017). Random sample sizes in one-way fixed effects models in Proceedings of the 17th International Conference on Computational and Mathematical Methods in Science and Engineering, CMMSE 2017, At 4-8 July, Cádiz, Spain, Volume: 5

 

  • D. Ferreira, S. S. Ferreira, C. Nunes and J. T. Mexia (2017). Segregation and intrinsic resctrictions on canonic variance components. Proceedings of the 15th International Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2017, 25-30 September, The MET Hotel, Thessaloniki, Greece

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  • S. S. Ferreira, D. Ferreira, C. Nunes and J. T. Mexia (2017). Estimation of Variance Components in Models with Positive Commutativity Orthogonal Block Structure. Proceedings of the 15th International Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2017, 25-30 September, The MET Hotel, Thessaloniki, Greece

 

  • Célia Nunes, Sandra S. Ferreira, Dário Ferreira , Elsa Morreira and João Tiago Mexia (2017). Mixed models with random sample sizes in Book of Abstracts: Satellite Meeting ISI-Committee on Risk Analysis and XI Workshop on Statistics, Mathematics and Computation, Lisbon and Portalegre, Portugal, 10th-12th July of 2017

 

  • Sandra S. Ferreira, Dário Ferreira, Célia Nunes and João Tiago Mexia. Global Confidence Regions for Mixed Models assuming Orthogonal Block Structure and Normality in Book of Abstracts: Satellite Meeting ISI-Committee on Risk Analysis and XI Workshop on Statistics, Mathematics and Computation, Lisbon and Portalegre,   Portugal, 10th-12th July of 2017

 

  • Anacleto Mário, Célia Nunes, Dário Ferreira, Sandra S. Ferreira and João Tiago Mexia (2017). Parametric models with random sample sizes in Book of Abstracts: Satellite Meeting ISI-Committee on Risk Analysis and XI Workshop on Statistics, Mathematics and Computation, Lisbon and Portalegre, Portugal, 10th-12th July of 2017

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2016

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  • Sandra S. Ferreira, Célia Nunes, Teresa A. Oliveira, João T. Mexia (2016). -  Conffidence  S. Ferreira, D. Ferreira, C. Nunes, J.T. Mexia. Optimal Estimation in Models with Positive Orthogonal Block Structure. 20th Conference of the International Linear Algebra Society (ILAS), Leuven, 7-15 July, 2016

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  • Célia Nunes, Gilberto Capistrano, Anacleto Mário, Dário Ferreira, Sandra S. Ferreira and João T. Mexia. Occurrences of failures in ANOVA. III Workshop on Computational Data Analysis and Numerical Methods, Instituto Politécnico de Portalegre, Escola Superior de Tecnologia e Gestão de Portalegre, 18 de Novembro, 2016

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  • D. Ferreira, S. S. Ferreira, C. Nunes, Oliveira, T. and J. T. Mexia. Confidence intervals for variance components in gauge capability studies. 14th International Conference on Numerical Analysis and Applied Mathematics 2016 (ICNAAM 2016), Rodos Palace Hotel, Rhodes Island, Greece, September 19-25, 2016. http://history.icnaam.org/icnaam_2016/

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  • C. Nunes, S. S. Ferreira, D. Ferreira, M. M. Oliveira and J. T. Mexia. Normal approximations to noncentral Wishart matrices. 25th International Workshop on Matrices and Statistics (IWMS'2016), University of Madeira, Funchal, 6-9 june, 2016

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  • C. Santos, C. Nunes, C. Dias, J. T. Mexia. Models with orthogonal block structure, commutativity and B−Matrice. Workshop on Statistics, Mathematics and Computation (WSMC10) and 5th Portuguese-Polish Workshop in Biometry (PPWB5), Polytechnic Institute of Tomar, 26-28 may, 2016

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  • Célia Nunes, Dário Ferreira, Sandra S. Ferreira and João T. Mexia. Comparing for one-way fixed effects models the usual and the random sample sizes ANOVA. 25th International Workshop on Matrices and Statistics (IWMS'2016), University of Madeira, Funchal, 6-9 june, 2016

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  • Carla Santos, Célia Nunes, Cristina Dias and João T. Mexia. On the extension of a balanced mixed model.. 25th International Workshop on Matrices and Statistics (IWMS'2016), University of Madeira, Funchal, 6-9 june, 2016

 

2015

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  • Mafalda Batista – FCSU, Dário Ferreira – UBI e Vitor Santos – CSC. “Dor lombar crónica numa unidade de cuidados de saúde primários“, in Refresh Med 15, Jornadas Médicas Dão Lafões, Instituto Politécnico de Viseu, 20 a 21 de Março de 2015.

 

  • S. S. Ferreira, C. Nunes, D. Ferreira, J. T. Mexia (2015). Global Confidence Regions for Mixed Models assuming Orthogonal Block Structure and Normality. Mattriad, Coimbra, 7 a 11 Setembro http://www.mattriad.ipt.pt/?page=contributed

 

 

 

  • G. Capistrano, C. Nunes, D. Ferreira, J. T. Mexia (2015). Falhas de observações na ANOVA com um fator de efeitos fixos. II Conferência Internacional da Amazônia e Nordeste em Estatística e Análise de Risco (ANSRA2), Amazônia, Brasil, 04 a 07 de Agosto

https://www.dropbox.com/s/d6rn6gwt4iyd0qh/CertificadosPoster.pdf?dl=0

 

2014

 

  • G. Capistrano, C. Nunes, D. Ferreira, S.S. Ferreira, J.T. Mexia (2014). One-way Random Effects ANOVA with Random Sample Sizes: An Application to a Brazilian Database on Cancer Registries, in  AIP Conf. Proc. 12th International Conference on Numerical Analysis and Applied Mathematics, Rodos Palace Hotel, Rhodes, Greece, 22-28 September.

 

  • C. Nunes, G. Capistrano, D. Ferreira, S.S. Ferreira, J.T. Mexia (2014). One-way Fixed Effects ANOVA with Missing Observations, in  AIP Conf. Proc. 12th International Conference on Numerical Analysis and Applied Mathematics, Rodos Palace Hotel, Rhodes, Greece, 22-28 September.

 

  • D. Ferreira, S.S. Ferreira, C. Nunes, J.T. Mexia  (2014). Estimation of variance components in normal linear mixed models with additivity, in  AIP Conf. Proc. 12th International Conference on Numerical Analysis and Applied Mathematics, Rodos Palace Hotel, Rhodes, Greece, 22-28 September.

 

  • S. S. Ferreira, C. Nunes, D. Ferreira, J.T. Mexia (2014). Estimation in models with Orthogonal Block Structure, 3rd Stochastic Modeling Techniques and Data Analysis International Conference (SMTDA 2014), Lisbon, 11-14 June.

 

2013

 

  • Ferreira, D.; Ferreira, S., Nunes, C. and Inácio, S. -  Inducing pivot variables and non-centrality parameters in elliptical distributions AIP Conf. Proc.1558, 833(2013) (Indexing: ISI Web of Knowledge)

 

  • Nunes, C; Gilberto Capistrano; Ferreira, D.; Ferreira, S. -  ANOVA with random sample sizes: An application to a Brazilian database on cancer registries. AIP Conf.  roc.1558, 825(2013); http://dx.doi.org/10.1063/1.4825623. (Indexing: ISI Web of Knowledge).

 

  • Gilberto Capistrano, Célia Nunes, D´ario Ferreira, Sandra S. Ferreira, João T. Mexia - One-way random effects ANOVA with random sample sizes: An application on cancer registries. 7th WSMC – Workshop on Statistics Mathematics and Computation

 

 

2012

  • Ferreira, D.; Ferreira, S. and Nunes, C. - Confidence regions for variance components using inducing pivot variables. 10th International Conference of Numerical Analysis and Applied Mathematics, Kos, Greece, September 19-25.

 

  • Nunes, C.; Ferreira, D.; Ferreira, S.; Manuela, M. Oliveira and Mexia, J.T. -  One-way random effects ANOVA: An extension to sample with random size. 10th International Conference of Numerical Analysis and Applied Mathematics, Kos, Greece, September 19-25.

 

  • Ferreira, S.; Ferreira, D. and Nunes, C. – Linear and quadratic sufficiency and commutativity. 10th International Conference of Numerical Analysis and Applied Mathematics, Kos, Greece, September 19-25.

 

 

 

2011

 

  • Ferreira, D.; Ferreira, S.; Nunes, C. and Mexia, J.T. - Estimating variance components in models with additivity. MAT TRIAD, Tomar, July 12-16.

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. and Mexia, J.T. - Segregation without matching. MAT TRIAD, Tomar, July 12-16.

 

  • Nunes, C.; Ferreira, D.; Ferreira, S. and Mexia, J.T.- Orthogonal fixed effects ANOVA with random sample sizes. 5th International Conference on Applied Mathematics, Simulation, Modelling (ASM'11) Corfu, Greece, July 14-16.

 

2010

 

  • Ferreira, D.; Ferreira, S.; Nunes, C. and Mexia, J.T. - Maximum likelihood estimators for mixed normal models. The First International Conference on Mathematics and Statistics, Sharjah, UAE, March 18- 21.

 

  • Nunes, C.; Ferreira, S.; Ferreira, D. and Mexia, J.T. - Truncation errors for F distributions with random non-centrality parameters. The First International Conference on Mathematics and Statistics, Sharjah, UAE, March 18-21.

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. and Mexia, J.T. - Introduction of the concept of regions of controlled posterior risk in discriminant analysis. The First International Conference on Mathematics and Statistics, Sharjah, UAE, March 18-21.

 

  • Fernandes, C.; Ramos, P.; Ferreira, S.; Ferreira, D. and Mexia, J. T. - Stair nesting designs. LINSTAT 2010, Tomar, Portugal, July 27-31.

 

  • Ferreira, D.; Ferreira, S.; Nunes, C. and Mexia, J.T. - Extension of maximum likelihood estimation methods to mixed linear models. LINSTAT 2010, Tomar, Portugal, July 27-31.

 

  • Nunes, C.; Ferreira, D.; Ferreira, S. and Mexia, J.T. - Control of the truncation errors for generalized F distributions. LINSTAT 2010, Tomar, Portugal, July 27-31.

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. and Mexia, J.T. - Genealogical trees for segregated COBS. LINSTAT 2010, Tomar, Portugal, July 27-31.

 

  • Ferreira, D.; Ferreira, S.; Nunes, C. and Mexia, J.T. - Maximum likelihood estimation methods for variance components in linear non - orthogonal small size design models. 8th International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece, September 19-25.

 

  • Nunes, C.; Ferreira, D.; Ferreira, S. and Mexia, J.T. - F tests with random sample sizes. 8th International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece, September 19-25.

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. and Mexia, J.T. - Crossing Segregated Models with Commutative Orthogonal Block Structure. 8th International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece, September 19-25.

 

  • Ferreira, S., Ferreira, D., Nunes, C. and Mexia, J.T. - Regions of controlled posterior risk. International Workshop on Applied Probability, Madrid, Spain, July 5-8.

 

 

2009

 

  • Ferreira, D; Ferreira, S; Nunes, C. and Mexia, J.T. Maximum Likelihood Estimators for Mixed Normal Models – The Newton Raphson Method - IWMS 2009 – Bratislava

 

  • Ferreira, S; Ferreira, D; Nunes, C. and Mexia, J.T. Inference for Almost Balanced Models with Multiple Comparisons - IWMS 2009 – Bratislava

 

  • Nunes, C; Ferreira, S; Ferreira, D. and Mexia, J.T. Generalized F Distributions with Non-Centrality with the Convolution of Gamma and Beta Distributions - IWMS 2009 – Bratislava

 

  • Ferreira, D; Ferreira, S; Nunes, C and Mexia, J.T. Method to chose a good starting value to  estimate variance components through the Newton-Raphson method in Normal Linear Mixed Models - WEMC 2009 – Lisbon

 

  • Nunes, C; Ferreira, D; Ferreira, S. and Mexia, J.T. Generalized F distributions with random non-centrality parameters: the truncated Normal case - WEMC 2009 – Lisbon

 

  • Ferreira, S; Ferreira, D; Nunes, C and Mexia, J.T. Discriminant Analysis and Estimation - WEMC 2009 – Lisbon

 

 

2008

 

  • Ferreira, D., Ferreira, S., Ramos, L. & Mexia, J.T. (2008). Normal Approximation to the Product of a Non Central Chi-Square by an Independent Normal Variable. Aplimat 2008 - 7th International Conference on Applied Mathematics. Bratislava.

 

  • Ferreira, D; Ferreira, S. and Mexia, J.T. Approximate normality and additional information - ISBIS 2008 – Prague.

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. and Mexia, J.T. Discriminant Analysis and Decision Theory.  ISBIS 2008 – Prague

 

  • Ferreira, D; Ferreira, S; Ramos, P and Mexia, J,T. Three-way crossed classification with interaction - WEMC 2008 – Lisbon

 

  • Ferreira, S; Ferreira, D; Fernandes, C and Mexia, J.T. Fiducial inference with and without Pivot variables - WEMC 2008 – Lisbon

 

  • Ferreira, S; Ferreira, D; Nunes, C and Mexia, J.T. Comparison of Tank fire precision - WEMC 2008 – Lisbon

 

  • Ferreira, D; Ferreira, S; Nunes, C and Mexia, J.T. Adjustment of normal mixed models through triple minimization - IWMS 2008 – Tomar

 

  • Ferreira, S; Ferreira, D; Moreira, E and Mexia, J.T. Inference for almost balanced models -  IWMS 2008 – Tomar

 

  • Nunes, C; Ferreira, S; Ferreira, D and Mexia, J.T. Non-central F distributions with non-centrality parameters with gamma distributions -  IWMS 2008 - Tomar.

 

2007

 

  • Ferreira, S.; Ferreira, D.; Nunes, C. &  Mexia, J.T. Variance components in nested segregated mixed models. International Conference on Advances in  Interdisciplinary Statistics and Combinatorics  (October 12-14, 2007).

 

  • Ferreira, D.; Ferreira, S.; Ramos, P. and  Mexia, J.T.  (2007). Inference for Estimable Vectors in Orthogonally Separated Normal Mixed Models .  56th Session of the ISI, 22 - 29 AUG, Lisboa 2007.

 

  • Ramos, P; Fernandes, C.; Ferreira, D. and  Mexia, J.T.  (2007). Interaction between nested factors .  56th Session of the ISI, 22 - 29 AUG, Lisboa 2007.

 

  • Ferreira, S.; Ferreira, D.; Fernandes, C. and  Mexia, J.T.  (2007). Orthogonal Mixed Models and Perfect Families of Symmetric Matrices.  56th Session of the ISI, 22 - 29 AUG, Lisboa 2007.

 

  • Ferreira, S..; Ferreira, D.; (2007). Componentes de variância e suas aplicações .  5º Encontro Luso-Brasileiro de História da Matemática 3 - 7 de Outubro 2007, Castelo Branco.

 

2006

  • Ferreira, S.; Ferreira, D.. and  Mexia, J.T.  (2006). Cross Additivity in Models with Cross Nesting. SCRA 2006 –FIMXIII.

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