It's the eternal salary-data conundrum. Any salary data that is not supplied anonymously will be an incomplete data set for privacy reasons, and will have titl

It's the eternal salary-data conundrum. Any salary data that is not supplied anonymously will be an incomplete data set for privacy reasons, and will have title and salary inflation. Any salary data that is supplied anonymously wil be full of both title and salary inflation, and will still be an incomplete data set. The end result either way is that the datasets can be seriously flawed.