For anyone who's looked at my previously posted problem I have managed
to solve the missing graph title by removing the main="Graph Title" call
from my plot definition and adding a line defining the graph title as a
"title" call.
i.e. from
>plot(Day, Ym1Imp, ylim=c(0,100), type="b", bty="l", main="Ym1
Expression", cex=1.3, xaxt="n", yaxt="n") #plot implant data
to
>plot(Day, Ym1Imp, ylim=c(0,100), type="b", bty="l", cex=1.3,
xaxt="n", yaxt="n") #plot implant data
>title(main="Ym1 Expression")# add title
which for some reason works.
Still have the missing abscissa value though :-(
Iain