search for: interpunct

I'm having problems creating an axis label for a plot. y_label = expression(paste(plain('CPUE '),plain('(fish'),plain('x'),plain('h'^{-1}),plain(')'))) I'd like to replace the "x" with an interpunct symbol (dot). Any suggestions how to do this? Thanks in advance. [[alternative HTML version deleted]]

Dear all, The background: as I didn't find a manual specifically directed towards debugging R code on a novice and intermediate level, I decided to write a student manual myself. I have some basic examples of errors (the classical interpunction and writing mistakes), but have the feeling that I miss quite some of the frequently occuring mistakes and messages. Therefore I'm looking around to find a list of these, and if possible, some examples of wrong R code. I have been googling around a bit, but I couldn't find an overview o...