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Pré-Publicações/Pre-Prints

Found 29 results

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Filtros: Autor é Carlos A. Coelho  [Clear All Filters]
2013
Coelho CA, Roy A.  2013.  Testing of hypothesis of a block compound symmetric covariance matrix. Preprint. Abstract
2012
Marques FJ, Coelho CA, de Carvalho M.  2012.  Exact and near-exact distributions of positive linear combinations of independent Gumbel random variables. Preprint. Abstract
Coelho CA, Arnold BC.  2012.  Instances of the Meijer G and Fox H functions and the distribution of the product of independent beta random variables with finite representations. Preprint. Abstract
Coelho CA, Alberto RP.  2012.  On the distribution of the product of independent beta random variables - applications. Preprint. Abstract
Coelho CA, Arnold BC.  2012.  On the exact and near-exact distributions of the product of generalized Gamma random variables and the generalized variance. Preprint. Abstract
2011
Marques FJ, Coelho CA, Marques P.  2011.  The block-matrix sphericity test - exact and near-exact distributions for the test statistic. Preprint. Abstract
Coelho CA, Oliveira S, Marques FJ.  2011.  Exact and near-exact distributions for the likelihood ratio test statistics used to test for stationarity and circularity in multivariate models. Preprint. Abstract
Marques FJ, Coelho CA.  2011.  The exact and near-exact distributions of the likelihood ratio test statistic for testing circular symmetry. Preprint. Abstract
Coelho CA, Marques FJ, Arnold BC.  2011.  A general approach to the exact and near-exact distributions of the main likelihood ratio test statistics used in the complex multivariate Normal setting. Preprint. Abstract
Coelho CA, Marques FJ.  2011.  The multi-sample block-scalar sphericity test - exact and near-exact distributions for its likelihood ratio test statistic. Preprint. Abstract
2010
Coelho CA, Arnold BC, Marques FJ.  2010.  Another look at the exact and near-exact distributions for the most common likelihood ratio test statistics used in multivariate analysis. Preprint. Abstract
Marques FJ, Coelho CA.  2010.  The exact and near-exact distributions of the likelihood ratio statistic for the block sphericity test. Preprint. Abstract
2009
Coelho CA, Arnold B, Marques FJ.  2009.  The distribution of the product of powers of independent uniform random variables. Preprint. Abstract
Coelho CA, Marques FJ.  2009.  Near-exact distributions for the likelihood ratio test statistic for testing equality of several variance-covariance matrices (revisited). Preprint. Abstract
Marques FJ, Coelho CA.  2009.  Near-exact distributions for the likelihood ratio test statistic of the multi-sample block-matrix sphericity test. Preprint. Abstract
2008
Marques FJ, Coelho CA, Arnold BC.  2008.  A general near-exact distribution theory for the most common likelihood ratio test statstics used in Multivariate Statistics. Preprint. Abstract
Marques FJ, Coelho CA.  2008.  O teste de esfericidade para várias amostras Como usar a decomposição da hipótese nula na construção de aproximações quase-exactas para a estatística de teste. Preprint.
2007
Coelho CA, Marques FJ.  2007.  The advantage of decomposing elaborate hypotheses on covariance matrices into conditionally independent hypotheses in building near-exact distributions for the test statistics. Preprint.
Coelho CA.  2007.  The exact and near-exact distributions of the product of independent Beta random variables whose second parameter is rational. Preprint. Abstract
Coelho CA, Marques FJ.  2007.  Near-exact approximations for the likelihood ratio test statistic for testing equality of several variance-covariance matrices. Preprint. Abstract
Coelho CA, Marques FJ.  2007.  Near-exact distributions for the independence and sphericity likelihood ratio test statistics. Preprint.
2006
Marques FJ, Coelho CA.  2006.  Near-exact distributions for the sphericity likelihood ratio test statistic. Preprint. Abstract
Coelho CA, Mexia JT.  2006.  On the exact and near-exact distributions of statistics used in generalized F tests. Preprint. Abstract
Coelho CA.  2006.  The wrapped Gamma distribution and wrapped sums and linear combinations of independent Gamma and Laplace distributions. Preprint. Abstract
2005
Grilo LM, Coelho CA.  2005.  Development and comparative study of two near-exact approximations to the distribution of the product of an odd number of independent Beta random variables. Preprint. Abstract