What are MRP surveys and can they predict political election end results accurately?

.THERE IS ACTUALLY bit doubt concerning the likely winner of Britain’s basic election on July fourth: with a top of 20 percentage aspects in national point of view polls, the Work Gathering is actually extremely very likely to succeed. But there is actually uncertainty regarding the size of Labour’s large number in Britain’s 650-seat Home of Commons. Some polling agencies have released seat prophecies making use of an unfamiliar approach called multi-level regression as well as post-stratification (MRP).

What are these surveys– and also how correct are they?