Submitted by: Arun ; Assigned to: Nobody; [R-Forge link](https://r-forge.r-project.org/tracker/index.php?func=detail&aid=5660&group_id=240&atid=975) As illustrated [here on SO](http://stackoverflow.com/questions/23256177/r-caret-renames-column-in-data-table-after-training/23256599#23256599).