Papers related to the LDR package
Theory behind LDR package
Fisher Lecture: Dimension Reduction in Regression, Statistical Science, 2007. R. Dennis Cook
Principal fitted components for dimension reduction in regression, Statistical Science, 2009, 2009 R. Dennis Cook and Liliana Forzani
Likelihood-based sufficient dimension reduction, JASA, 2009. R. Dennis Cook and Liliana Forzani
Covariance reducing models: An alternative to spectral modelling of covariance matrices, Biometrika, 2008. R. Dennis Cook and Liliana Forzani
Envelope models for parsimonious and and efficient multivariate regression. Statistica Sinica, to appear with discussion. R. Dennis Cook, Bing Li and Francesca Chiaromonte