jtleek/rpackages — pull request #11 by yihui (2013-10-27 04:37:52+00:00)
Title: a few tiny tweaks

- most are cosmetic changes from `_` to `` ` `` since the backtick is often for code
- removed knitr from Depends since it is already in Suggests
- `class(grp)!="factor"` is a buggy method for testing factors; use `is.factor()` instead