[R] A question about using function plot

[Richard M. Heiberger]

Your x values look to be multiples of two, therefore you might
be interested in using log values for the x axis.

x = c(1,2,4,8) 
y = c(1,2,3,4) 
plot(x, y, log="x", xaxt='n')
axis(1, at=x, labels=x)