Did you \usepackage{booktabs} in the preamble? That is what ?tables::booktabs says.
Regards, Yihui -- Yihui Xie <xieyi...@gmail.com> Phone: 515-294-2465 Web: http://yihui.name Department of Statistics, Iowa State University 2215 Snedecor Hall, Ames, IA On Mon, Jun 3, 2013 at 3:07 PM, John Kane <jrkrid...@yahoo.ca> wrote: > I was having a look at the tables package in R and tried to run an example > in LyX. It works fine until I try using the suggestion to use the booktabs() > command in the knitr statement. > The code works fine in R. > > I assume that I am in conflict with another latex package in LyX? Any > workarounds? > > It's not a serious problem as I don't actually need to use the tables > package; I was just playing around with tables trying to understand the > syntax and decided to try it in LyX.