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...722365484, 0.62522904924117, 0.899310540175065, 0.877736972644925) ~ a + b > terms(newfm) Error in terms.formula(fmapply(fm, identity)) : invalid term in model formula Could someone put me in the right direction of how to correctly write a respapply function as described. Regards, Paul Emberson

Hi, If R is compiled for a 64 bit platform, does the double data type make use of the additional precision or is it set at a fixed length? Thanks, Paul

Hi, I want to remove minor-horizontal and minor-vertical lines from a plot generated with ggplot2. I can do this after the plot has been drawn using grid.gremove. However, I would like to do it before drawing my plot. The ggplot2 book refers to a ggplotGrob function which creates a grob from a plot but this function doesn't seem to exist in ggplot2 0.6. Is there another way to do it?

Hi, With ggplot2 v0.8, how do I position a legend on top of the plot. Things like p + opts(legend.position="top") work ok. But p + opts(legend.position=c(0.5,0.5)) gives Error in as.character(x) : cannot coerce type 'closure' to vector of type 'character' so obviously I should be giving a string instead but I can't figure out what it should be. Thanks,

Hi, Is there a way of annotating a ggplot plot with mathematical formulae? I can do geom_text(aes(label="some text", ... but I can't do geom_text(aes(label=expression(x^{n-1}), ... It gives the error Error: geom_text requires the following missing aesthetics: label Is there a convenient equivalent? Cheers, Paul