add prediction functionalities

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@277 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
udpate date

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@278 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fix namechange "update.pm" to "adjust.pm"

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@279 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add keywords

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@280 edb9625f-4e0d-4859-8d74-9fd3b1da38cb