after code discussion with dw

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@74 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
R meetup code

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@75 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
description fixed

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@76 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
conference talk added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@77 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
examples/slides

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@78 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
slide update

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@79 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
almost complete

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@80 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
final presentation

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@81 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
R code complete

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/roi@82 edb9625f-4e0d-4859-8d74-9fd3b1da38cb