Calculating the swing – the proportionality debate
Baxter or Wells – which is best for Commons seat predictions? Firstly it should be recognised that there is no fail-safe way of tapping some numbers into a computer which will then give you a relatively accurate prediction how many MPs the parties would get for those vote shares. The two most widely available online calculators employ very different mathematical approaches and can in certain instances come out with very different seat numbers. There is one from Martin Baxter (left),…