added Viola Obermeier's smooth.construct() method for lag function estimation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1112 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added Viola Obermeier's smooth.construct() method for lag function estimation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1113 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added Viola Obermeier's smooth.construct() method for lag function estimation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bayesr@1114 edb9625f-4e0d-4859-8d74-9fd3b1da38cb