update for "new" R^2

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@575 694ef91d-65df-0310-b7bb-92e67a308ead
update for new S.E. factor

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@576 694ef91d-65df-0310-b7bb-92e67a308ead