Research output per year
Research output per year
- 40 results
Search results
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2024
An Innovative Approach to Estimate Infection by COVID-19
Oliveira, M., Garção, E., Grilo, L. M. & Mexia, J. T., 7 Jun 2024, International Conference on Numerical Analysis and Applied Mathematics: ICNAAM2022. Simos, T. E. & Tsitouras, C. (eds.). 1 ed. AIP - American Institute of Physics, 5 p. 450005. (AIP Conference Proceedings; vol. 3094, no. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Prime Basis Factorials and Systematic Sampling
Francisco, C., Oliveira, M., Carvalho, F. & Mexia, J. T., 7 Jun 2024, International Conference on Numerical Analysis and Applied Mathematics: ICNAAM2022. Simos, T. E. & Tsitouras, C. (eds.). 1 ed. AIP - American Institute of Physics, 7 p. 380002. (AIP Conference Proceedings; vol. 3094, no. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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STATIS Methodology: An Overview
Oliveira, M., Garção, E., Grilo, L. M., Alexandre, A. & Mexia, J. T., 7 Jun 2024, International Conference on Numerical Analysis and Applied Mathematics: ICNAAM2022. Simos, T. E. & Tsitouras, C. (eds.). 1 ed. AIP - American Institute of Physics, 4 p. 450006. (AIP Conference Proceedings; vol. 3094, no. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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2022
Adaptability and stability analysis of common wheat production
Dias, C., Santos, C. & Mexia, J. T., 23 Nov 2022, International Conference of Computational Methods in Sciences and Engineering, ICCMSE 2021. Simos, T. & Tsitouras, C. (eds.). Maryland: AIP - American Institute of Physics, 5 p. 090007. (AIP Conference Proceedings; vol. 2611).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile14 Downloads (Pure) -
Optimum estimation and marginal distributions
Ferreira, S. S., Ferreira, D., Nunes, C. & Mexia, J. T., 9 May 2022, National Conference on Advances in Applied Sciences and Mathematics, NCASM 2020. Upmanyu, A., KumarKakkar, M., Kumar, P. & Bhatti, J. (eds.). AIP - American Institute of Physics, 4 p. 080008. (AIP Conference Proceedings; vol. 2357).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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2020
Inference in nonorthogonal mixed models
Ferreira, S. S., Nunes, C., Oliveira, T. & Mexia, J., 24 Nov 2020, International Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2019. Simos, T. E. & Tsitouras, C. (eds.). AIP - American Institute of Physics, 5 p. 420106. (AIP Conference Proceedings; vol. 2293).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
2018
ANOVA like analysis with limit distributions for large samples
Areia, A. & Mexia, J., 10 Jul 2018, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Tsitouras, C. & Simos, T. (eds.). AIP - American Institute of Physics, 5 p. 470113. (AIP Conference Proceedings; vol. 1978).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Combining models
Santos, C., Nunes, C., Dias, C. & Mexia, J. T., 15 Jul 2018, 2018 International Conference on Mathematics and Statistics, ICoMS 2018. New York: ACM - Association for Computing Machinery, p. 11-15 5 p. (ICoMS: International Conference on Mathematics and Statistics).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Confidence intervals for variance components in gauge capability studies
Ferreira, D., Ferreira, S. S., Nunes, C., Oliveira, T. A. & Mexia, J. T., 10 Jul 2018, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Simos, T. & Tsitouras, C. (eds.). AIP - American Institute of Physics, Vol. 1978. 470102. (AIP Conference Proceedings; vol. 1978).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
Degree-one models and cross product matrices
Dias, C., Santos, C. & Mexia, J. T., 15 Jul 2018, 2018 International Conference on Mathematics and Statistics, ICoMS 2018. New York: ACM - Association for Computing Machinery, p. 50-54 5 p. (ICoMS: International Conference on Mathematics and Statistics).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Estimation of variance components in models with positive commutativity orthogonal block structure
Ferreira, S. S., Ferreira, D., Nunes, C. & Mexia, J. T., 10 Jul 2018, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Tsitouras, C. & Simos, T. (eds.). AIP - American Institute of Physics, 5 p. 460003. (AIP Conference Proceedings; vol. 1978).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Inference for the evolution in series of studies
Areia, A., Mexia, J. T. & Oliveira, M., 15 Jul 2018, 2018 International Conference on Mathematics and Statistics, ICoMS 2018. New York: ACM - Association for Computing Machinery, p. 55-58 4 p. (ICoMS: International Conference on Mathematics and Statistics).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Model validation and vec operators
Dias, C., Santos, C., Varadinov, M. & Mexia, J. T., 30 Nov 2018, International Conference of Computational Methods in Sciences and Engineering 2018, ICCMSE 2018. Simos, T. E., Kalogiratou, Z., Monovasilis, T., Simos, T. E. & Simos, T. E. (eds.). AIP - American Institute of Physics, 110003. (AIP Conference Proceedings; vol. 2040).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile39 Downloads (Pure) -
Multiple regression design for a full factorial base model associated with a commutative Jordan algebra
Oliveira, S., Moreira, E., Fonseca, M. & Mexia, J. T., 15 Jul 2018, 2018 International Conference on Mathematics and Statistics, ICoMS 2018. ACM - Association for Computing Machinery, p. 41-45 5 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Segregation and intrinsec restrictions on canonic variance components
Ferreira, D., Ferreira, S. S., Nunes, C. & Mexia, J. T., 10 Jul 2018, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Tsitouras, C. & Simos, T. (eds.). AIP - American Institute of Physics, 5 p. 460002. (AIP Conference Proceedings; vol. 1978).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
Structured families of quadratics
Carvalho, F., Mexia, J. T. & Covas, R., 10 Jul 2018, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Simos, T. & Tsitouras, C. (eds.). AIP - American Institute of Physics, 220003. (AIP Conference Proceedings; vol. 1978).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
2017
Models with orthogonal block structure, with diagonal blockwise variance-covariance matrices
Carvalho, F., Mexia, J. T. & Covas, R., 21 Jul 2017, International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2016. AIP - American Institute of Physics, Vol. 1863. 560090Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Variance components estimation in mixed linear model—the sub-diagonalization method
Silva, A., Fonseca, M. & Mexia, J., 1 Jan 2017, Applied and Computational Matrix Analysis - MAT-TRIAD, Selected, Revised Contributions. Springer New York LLC, Vol. 192. p. 317-341 25 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access1 Citation (Scopus) -
2016
ANOVA like analysis for structured families of stochastic matrices
Dias, C., Santos, C., Varadinov, M. & Mexia, J. T., 6 Dec 2016, International Conference of Computational Methods in Sciences and Engineering 2016, ICCMSE 2016. AIP - American Institute of Physics, Vol. 1790. 140006Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access2 Citations (Scopus) -
ANOVA like analysis of cancer death age
Areia, A. & Mexia, J. T., 8 Jun 2016, International Conference of Numerical Analysis and Applied Mathematics 2015, ICNAAM 2015. AIP - American Institute of Physics, Vol. 1738. 060002Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (Scopus) -
Estimation for large non-centrality parameters
Inácio, S., Mexia, J., Fonseca, M. & Carvalho, F., 8 Jun 2016, International Conference of Numerical Analysis and Applied Mathematics 2015, ICNAAM 2015. AIP - American Institute of Physics, Vol. 1738. 060004Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Imbedding linear regressions in models for factor crossing
Santos, C., Nunes, C., Dias, C., Varadinov, M. & Mexia, J. T., 6 Dec 2016, International Conference of Computational Methods in Sciences and Engineering 2016, ICCMSE 2016. AIP - American Institute of Physics, Vol. 1790. 140005Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
2015
Estimation of variance components in normal linear mixed models with additivity
Ferreira, D., Ferreira, S. S., Nunes, C. & Mexia, J. T., 10 Mar 2015, Proceedings of the International Conference on Numerical Analysis and Applied Mathematics 2014, ICNAAM 2014. AIP - American Institute of Physics, Vol. 1648. 110007Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
2 Citations (Scopus) -
Influence of cancer location, sex and country on the death age
Areia, A., Carvalho, F. & Mexia, J. T., 10 Mar 2015, Proceedings of the International Conference on Numerical Analysis and Applied Mathematics 2014, ICNAAM 2014. AIP - American Institute of Physics, Vol. 1648. 110005Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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One-way fixed effects ANOVA with missing observations
Nunes, C., Capistrano, G., Ferreira, D., Ferreira, S. S. & Mexia, J. T., 10 Mar 2015, Proceedings of the International Conference on Numerical Analysis and Applied Mathematics 2014, ICNAAM 2014. AIP - American Institute of Physics, Vol. 1648. 110008Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
3 Citations (Scopus) -
One-way random effects ANOVA with random sample sizes: An application to a Brazilian database on cancer registries
Capistrano, G., Nunes, C., Ferreira, D., Ferreira, S. S. & Mexia, J. T., 10 Mar 2015, Proceedings of the International Conference on Numerical Analysis and Applied Mathematics 2014, ICNAAM 2014. AIP - American Institute of Physics, Vol. 1648. 110009Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
4 Citations (Scopus) -
2013
Genetic and statistical study of HIV integration in the human genome
Sequeira, I. J., Gonçalves, J., Moreira, E., Mexia, J. T., Rueff, J. & Brás, A., 19 Nov 2013, 11th International Conference of Numerical Analysis and Applied Mathematics 2013, ICNAAM 2013. Simos, T., Psihoyios, G. & Tsitouras, C. (eds.). AIP - American Institute of Physics, p. 813-816 4 p. (AIP Conference Proceedings; vol. 1558).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile25 Downloads (Pure) -
2011
A fundamental partition in models with commutative orthogonal block structure
Carvalho, F., Mexia, J. T., Covas, R. & Fernandes, C., 2011, Numerical Analysis and Applied Mathematics, ICNAAM 2011: international Conference on Numerical Analysis and Applied Mathematics. Simos, T. E., Psihoyios, G., Tsitouras, C. & Anastassi, Z. (eds.). Melville: AIP - American Institute of Physics, p. 1615-1618 4 p. (AIP Conference Proceedings; vol. 1389).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access1 Citation (Scopus) -
Inference with inducer pivot variables, an application to the one-way ANOVA
Covas, R., Mexia, J. T., Fernandes, C. & Ramos, P., 2011, Numerical Analysis and Applied Mathematics: ICNAAM 2011 - International Conference on Numerical Analysis and Applied Mathematics. Simos, T. E., Psihoyias, G., Tsitouras, C. & Anastassi, Z. (eds.). Melville: AIP - American Institute of Physics, p. 1631-1634 4 p. (AIP Conference Proceedings; vol. 1389).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Interaction in balanced cross nested designs
Ramos, P., Mexia, J. T., Carvalho, F. & Covas, R., 2011, Numerical Analysis and Applied Mathematics, ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics. Simos, T. & Psihoyios, G. (eds.). Melville: AIP - American Institute of Physics, p. 1619-1622 4 p. (AIP Conference Proceedings; vol. 1389).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Models with stair nesting
Fernandes, C., Mexia, J. T., Ramos, P. & Carvalho, F., 2011, Numerical Analysis and Applied Mathematics, ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics. Simos, T. & Psihoyios, G. (eds.). Melville: AIP - American Institute of Physics, p. 1627-1630 4 p. (AIP Conference Proceedings; vol. 1389).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
5 Citations (Scopus) -
Multi-treatment regression analysis: the unbalanced case
Moreira, E. E. & Mexia, J. T., 29 Nov 2011, Recent Researches in Applied Mathematics, Simulation and Modelling - Proceedings of the 5th International Conference on Applied Mathematics, Simulation, Modelling, ASM'11. p. 69-74 6 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile2 Citations (Scopus)17 Downloads (Pure) -
Orthogonal fixed effects ANOVA with random sample sizes
Mexia, J. T., Nunes, C., Ferreira, D., Ferreira, S. S. & Moreira, E., 29 Nov 2011, Recent Researches in Applied Mathematics, Simulation and Modelling - Proceedings of the 5th International Conference on Applied Mathematics, Simulation, Modelling, ASM'11. p. 84-90 7 p. (International Conference on Applied Mathematics, Simulation, Modelling - Proceedings).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
11 Citations (Scopus) -
2010
Randomized sample size F tests for the one-way layout
Mexia, J. T. & Moreira, E. E., 1 Dec 2010, NUMERICAL ANALYSIS AND APPLIED MATHEMATICS, VOLS I-III. Psihoyios, G. & Tsitouras, C. (eds.). AIP - American Institute of Physics, Vol. I-III. p. 1248-1251 4 p. (AIP Conference Proceedings; vol. 1281).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile7 Citations (Scopus)18 Downloads (Pure) -
2006
Convergência forte de estimadores, erros com decaimento exponencial no infinito e colapso de erros radiais
Lita da Silva, J. F., Mexia, J. T. P. N., Esquível, M. L. & Corte Real, P. A. D. R., 2006, Ciência Estatística: Actas do XIII Congresso Anual da SPE. Castro, L. C. (ed.). Lisboa: Sociedade Portuguesa de Estatística, p. 447-458 12 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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2005
Convergência do Estimador dos Mínimos Quadrados em Modelos Lineares
Mexia, J. T. P. N., Corte Real, P. A. D. R., Esquível, M. L. & Lita da Silva, J. F., 2005, Estatística jubilar: Actas do XII Congresso Anual da Sociedade Portuguesa de Estatística. Braumann, C., Infante, P., Oliveira, M. M., Alpízar-Jara, R. & Rosado, F. (eds.). Lisboa: Sociedade Portuguesa de Estatística, p. 455-466 12 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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2004
Connectedness and environmental indexes: Application to grapevines
Mexia, J. T. P. N. & Pinto, I. M. S., 1 Jan 2004, Acta Horiculturae. Sequeira, J. C. & Sequeira, O. A. D. (eds.). Lisbon, Vol. 652. p. 109-118 10 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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2001
Document clustering and cluster topic extraction in multilingual corpora
Silva, J. F. F., Mexia, J. T. P. N., Coelho, C. A. & Lopes, J. G. P., 1 Jan 2001, Proceedings of the 2001 IEEE International Conference on Data Mining, ICDM 2001. Cercone, N., Lin, T. Y. & Wu, X. (eds.). Los Alamitos, California: IEEE Computer Society, p. 513-520 8 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
7 Citations (Scopus) -
2000
A self-learning method of parallel texts alignment
Ribeiro, A. L., Lopes, J. G. P. & Mexia, J. T. P. N., 2000, Envisioning Machine Translation in the Information Future: 4th Conference of the Association for Machine Translation in the Americas, AMTA 2000, Proceedings. White, J. S. (ed.). Berlin: Springer, p. 30-39 10 p. (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science); vol. 1934).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Extracting equivalents from aligned parallel texts: Comparison of measures of similarity
Ribeiro, A. L., Lopes, J. G. P. & Mexia, J. T. P. N., 2000, Advances in Artificial Intelligence: International Joint Conference 7th Ibero-American Conference on AI, 15th Brazilian Symposium on AI, IBERAMIA-SBIA 2000, Proceedings. Monard, M. C. & Sichman, J. S. (eds.). Springer Verlag, Vol. 1952. p. 339-349 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 1952 LNAI).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access3 Citations (Scopus)