remove "basics" export

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@253 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add pmmodel functionalities

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/metamisc@254 edb9625f-4e0d-4859-8d74-9fd3b1da38cb