Yihui Xie <xie <at> yihui.name> writes: ... > > 2. use sanitize=TRUE in your chunk options (so that & will be replaced > by \&); see ?sanitizeTexString in the tikzDevice package for details
That did the trick. Thanks again! --Lucas > > Regards, > Yihui > -- > Yihui Xie <xieyihui <at> gmail.com> > Phone: 515-294-2465 Web: http://yihui.name > Department of Statistics, Iowa State University > 2215 Snedecor Hall, Ames, IA >