What happens if a proportional swing is applied?
Could this affect Commons seats projections? Most people with an interest in politics and election outcomes are familiar with the term – Uniform National Swing. But how many understand how the numbers are made up and that there are two very different approaches to making the calculations. I raise this because I have to admit that until not so long ago I got it all wrong. My assumption was that if Party A was up by a tenth on the…