[R] Title

I have a relatively simple question. I am trying to post a title to a plot using a symbol and multiple lines. Right now I have: title(main = c('Hazard Ratio for women with score', expression('>='), 'Across /nQuintiles of Activity') Thanks in advance -- View this message in context: http://r.

[R] Removing tick marks and Adding labels to lattice plots

Hi all, I am trying to remove the current labels of the tick marks and replace them with text using xyplot within lattice right now I have tick marks at 1, 1.5, 2, 2.5, 3 I would like to transform them to say 'T1', 'T2', 'T3' thanks in advance Kathleen -- View this message in context: ht