.THERE IS ACTUALLY bit uncertainty about the likely winner of Britain's general election on July fourth: along with a top of 20 portion aspects in national viewpoint surveys, the Labour Event is very probably to win. Yet there is uncertainty about the size of Labour's a large number in Britain's 650-seat House of Commons. Some polling companies have actually posted seat predictions using a novel procedure called multi-level regression and post-stratification (MRP). What are these surveys-- as well as exactly how exact are they?