Coelho, Carlos A. Likelihood ratio tests for elaborate covariance structures and for MANOVA models with elaborate covariance structures – a review. (English) Zbl 07813098 J. Indian Inst. Sci. 102, No. 4, 1219-1257 (2022). MSC: 62H15 62H05 62H10 62E20 62-02 PDFBibTeX XMLCite \textit{C. A. Coelho}, J. Indian Inst. Sci. 102, No. 4, 1219--1257 (2022; Zbl 07813098) Full Text: DOI
Liang, Yuli; Coelho, Carlos A.; von Rosen, Tatjana Hypothesis testing in multivariate normal models with block circular covariance structures. (English) Zbl 1523.62148 Biom. J. 64, No. 3, 557-576 (2022). MSC: 62P10 PDFBibTeX XMLCite \textit{Y. Liang} et al., Biom. J. 64, No. 3, 557--576 (2022; Zbl 1523.62148) Full Text: DOI OA License
Marques, F. J.; Coelho, C. A. Testing simultaneously different covariance block diagonal structures – the multi-sample case. (English) Zbl 1521.62402 J. Appl. Stat. 47, No. 13-15, 2765-2784 (2020). MSC: 62-XX PDFBibTeX XMLCite \textit{F. J. Marques} and \textit{C. A. Coelho}, J. Appl. Stat. 47, No. 13--15, 2765--2784 (2020; Zbl 1521.62402) Full Text: DOI
Coelho, Carlos A.; Roy, Anuradha Testing the hypothesis of a doubly exchangeable covariance matrix. (English) Zbl 1435.62198 Metrika 83, No. 1, 45-68 (2020). MSC: 62H15 62H10 62E15 62E20 62E10 60E10 PDFBibTeX XMLCite \textit{C. A. Coelho} and \textit{A. Roy}, Metrika 83, No. 1, 45--68 (2020; Zbl 1435.62198) Full Text: DOI
Marques, Filipe J.; Coelho, Carlos A. The simultaneous test of equality and circularity of several covariance matrices. (English) Zbl 1426.62171 J. Stat. Theory Pract. 12, No. 4, 861-885 (2018). MSC: 62H15 62H10 62E20 62H05 PDFBibTeX XMLCite \textit{F. J. Marques} and \textit{C. A. Coelho}, J. Stat. Theory Pract. 12, No. 4, 861--885 (2018; Zbl 1426.62171) Full Text: DOI
Marques, Filipe J.; Coelho, Carlos A.; Rodrigues, Paulo C. Testing the equality of several linear regression models. (English) Zbl 1417.62194 Comput. Stat. 32, No. 4, 1453-1480 (2017). MSC: 62J05 62H10 62H15 62F03 62M10 62-08 PDFBibTeX XMLCite \textit{F. J. Marques} et al., Comput. Stat. 32, No. 4, 1453--1480 (2017; Zbl 1417.62194) Full Text: DOI
Coelho, Carlos A.; Marques, Filipe J.; Oliveira, Sandra Near-exact distributions for likelihood ratio statistics used in the simultaneous test of conditions on mean vectors and patterns of covariance matrices. (English) Zbl 1400.62121 Math. Probl. Eng. 2016, Article ID 8975902, 25 p. (2016). MSC: 62H15 62H10 PDFBibTeX XMLCite \textit{C. A. Coelho} et al., Math. Probl. Eng. 2016, Article ID 8975902, 25 p. (2016; Zbl 1400.62121) Full Text: DOI
Coelho, Carlos A.; Marques, Filipe J. Near-exact distributions for the likelihood ratio test statistic to test equality of several variance-covariance matrices in elliptically contoured distributions. (English) Zbl 1304.65024 Comput. Stat. 27, No. 4, 627-659 (2012). MSC: 62-08 PDFBibTeX XMLCite \textit{C. A. Coelho} and \textit{F. J. Marques}, Comput. Stat. 27, No. 4, 627--659 (2012; Zbl 1304.65024) Full Text: DOI
Grilo, Luís M.; Coelho, Carlos A. A family of near-exact distributions based on truncations of the exact distribution for the generalized Wilks Lambda statistic. (English) Zbl 1271.62026 Commun. Stat., Theory Methods 41, No. 13-14, 2321-2341 (2012). MSC: 62E15 60E10 62E10 PDFBibTeX XMLCite \textit{L. M. Grilo} and \textit{C. A. Coelho}, Commun. Stat., Theory Methods 41, No. 13--14, 2321--2341 (2012; Zbl 1271.62026) Full Text: DOI
Grilo, Luís Miguel; Coelho, Carlos Agra The exact and near-exact distributions for the Wilks lambda statistic used in the test of independence of two sets of variables. (English) Zbl 1228.62019 Am. J. Math. Manage. Sci. 30, No. 1-2, Spec. Issue, 111-145 (2010). MSC: 62E15 62G10 65C60 PDFBibTeX XMLCite \textit{L. M. Grilo} and \textit{C. A. Coelho}, Am. J. Math. Manage. Sci. 30, No. 1--2, 111--145 (2010; Zbl 1228.62019) Full Text: DOI
Alberto, Rui P.; Coelho, Carlos A. Study of the quality of several asymptotic and near-exact approximations based on moments for the distribution of the Wilks lambda statistic. (English) Zbl 1110.62021 J. Stat. Plann. Inference 137, No. 5, 1612-1626 (2007). MSC: 62E20 PDFBibTeX XMLCite \textit{R. P. Alberto} and \textit{C. A. Coelho}, J. Stat. Plann. Inference 137, No. 5, 1612--1626 (2007; Zbl 1110.62021) Full Text: DOI
Grilo, Luís M.; Coelho, Carlos A. Development and comparative study of two near-exact approximations to the distribution of the product of an odd number of independent beta random variables. (English) Zbl 1110.62020 J. Stat. Plann. Inference 137, No. 5, 1560-1575 (2007). MSC: 62E17 62H10 PDFBibTeX XMLCite \textit{L. M. Grilo} and \textit{C. A. Coelho}, J. Stat. Plann. Inference 137, No. 5, 1560--1575 (2007; Zbl 1110.62020) Full Text: DOI
Coelho, Carlos A.; Alberto, Rui P.; Grilo, Luís M. A mixture of generalized integer gamma distributions as the exact distribution of the product of an odd number of independent beta random variables: applications. (English) Zbl 1117.62017 J. Interdiscip. Math. 9, No. 2, 229-248 (2006). MSC: 62E15 62G10 62E10 PDFBibTeX XMLCite \textit{C. A. Coelho} et al., J. Interdiscip. Math. 9, No. 2, 229--248 (2006; Zbl 1117.62017) Full Text: DOI
Coelho, Carlos A. The generalized near-integer Gamma distribution: a basis for ‘near-exact’ approximations to the distribution of statistics which are the product of an odd number of independent Beta random variables. (English) Zbl 1047.62014 J. Multivariate Anal. 89, No. 2, 191-218 (2004). MSC: 62E17 62H10 PDFBibTeX XMLCite \textit{C. A. Coelho}, J. Multivariate Anal. 89, No. 2, 191--218 (2004; Zbl 1047.62014) Full Text: DOI
Coelho, Carlos A. The generalized integer gamma distribution – a basis for distributions in multivariate statistics. (English) Zbl 0893.62046 J. Multivariate Anal. 64, No. 1, 86-102 (1998). MSC: 62H10 62E15 PDFBibTeX XMLCite \textit{C. A. Coelho}, J. Multivariate Anal. 64, No. 1, 86--102 (1998; Zbl 0893.62046) Full Text: DOI