[R] 10^x instead 10EX on plot axes. How?

[Duncan Murdoch]

On 7/10/2006 12:43 PM, hulubu at gmx.de wrote:
> Hi,
> 
> I'm drawing a very simple plot with both axes logarithmic (default base 10).
> Example:
> vec=c(1,10,100,1000,10000,100000,1000000,10000000)
> plot(vec,vec,log="xy")
> 
> The axes on the plot now show the technical notation like 1E+3 but I would prefer to have it the notation 10 ^3 i.e. with the exponent here 3 superscript (raised).
> Any help very much appreciated!

You can use the plotmath functions for axis labels.  For example,

 > vec=c(1,10,100,1000,10000,100000,1000000,10000000)
 > plot(vec,vec,log="xy", axes=F)
 > axis(1, at=10^c(0,2,4,6), labels=expression(1, 10^2, 10^4, 10^6))
 > axis(2, at=10^c(0,2,4,6), labels=expression(1, 10^2, 10^4, 10^6))
 > box()

Duncan Murdoch