* Fixed a few typos
* "cut off" -> "cutoff" (uniform spelling)


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@786 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
TODO: Clarify "mean of one" in the vignette.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@787 edb9625f-4e0d-4859-8d74-9fd3b1da38cb