xyplot: logarithmic y-axis
Please take no offence since none was intended. What I meant is that it should be simple for me to know how to do this but it isn't because of my inexperience. I think that the lattice package is great. However, how can I pass on my own varaibles through xyplot? Thanks, -Rene
Deepayan Sarkar wrote:
On 12/15/06, RMan54 <RMan54 at cox.net> wrote:
This should be simple but I am struggling. I like to easily switch in xyplot between a linear or logarithmic y-axis by setting a logical flag logY to False or True. This switch changes the scales argument of xyplot. I found out that the original two-dimentional data (Conc vs Time in my case) are converted to log10(Conc) if log=TRUE in scales, but it appears that functions like panel.curve need to provide the y values in log10 form (if there is an automatic method, I would like to know). I therefore like to pass on the value logY to my custom panel.curve function. How do I do that? I think that the value of logY should go into xyplot that should pass it on to the panel function and then to the panel.curve function.
It probably should, but doesn't. -Deepayan
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