I have two variables which vary linearly on a log scale. My understanding is that I can say these are "log-linear."
I'd also like to write that the difference between the lines on a loglog graph is the same across the whole domain. In other words, I have two lines that have the same slope and a constant space between them.
I can think of two ways of saying this, but I'm not sure whether either term will be understood:
- The difference between the two lines is log-constant.
- The log-difference between the two lines is constant.
Are "log-difference" and "log-constant" ever used in the literature?
Specifically the difference is not "constant," because e.g.
0.01 - 0.001 != 0.1 - 0.01, however the difference between their logarithms is constant.