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, 2011.
Fast robust variable selection. In COMPSTAT 2008: PROCEEDINGS IN COMPUTATIONAL STATISTICS. COMPSTAT 2008: PROCEEDINGS IN COMPUTATIONAL STATISTICS. TIERGARTENSTR 17, D-69121 HEIDELBERG, GERMANY: Univ Porto, Fac Econ; PSE; FCT; FEUP; Banco Porutgal; PORTO; SPM; Caixa Geral Depositos; SPE; CLAD; ifcs, pp. 359-370.
, 2008. HIV viral dynamic models with dropouts and missing covariates. Statistics in Medicine, 26, pp.3342–3357. Available at: http://onlinelibrary.wiley.com/doi/10.1002/sim.2816/abstract.
, 2007. Nonlinear mixed-effect models with nonignorably missing covariates. Canadian Journal of Statistics, 32, pp.27–37. Available at: http://onlinelibrary.wiley.com/doi/10.2307/3315997/abstract.
, 2004. Identification of significant host factors for HIV dynamics modelled by non-linear mixed-effects models. Statistics in Medicine, 21, pp.753–771. Available at: http://onlinelibrary.wiley.com/doi/10.1002/sim.1015/abstract.
, 2002. Missing time-dependent covariates in human immunodeficiency virus dynamic models. Journal of the Royal Statistical Society: Series C (Applied Statistics), 51, pp.297–318. Available at: http://onlinelibrary.wiley.com/doi/10.1111/1467-9876.00270/abstract.
, 2002.