search for: addgridlines

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2011 May 23
1
panel.first problem when plotting with formula
...'s not working with I plot using the formula. I have some theories on what's happening, but even if my theory is right, I don't know how to fix it. Someone have a straightforward silver bullet? Thank you, Gene bgfun = function(color='honeydew2',linecolor='grey45', addgridlines=TRUE){ tmp=par("usr") rect(tmp[1], tmp[3], tmp[2], tmp[4], col=color) if(addgridlines){ ylimits=par()$usr[c(3,4)] abline(h=pretty(ylimits,10), lty=2, col=linecolor) } } dat = data.frame(x=1:10,y=1:10) ## Works plot(dat$x, dat$y, panel.first=bgfun()) ## Wh...