Bug for correlations

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@438 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Note on default values

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@439 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
minor doc changes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@440 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
documentation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@441 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
updated doc

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@442 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update MASS version

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/correg@443 edb9625f-4e0d-4859-8d74-9fd3b1da38cb