[R] xyplot: logarithmic y-axis

[RMan54]

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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