What are actually MRP polls and can they anticipate political election results efficiently?

.THERE IS minimal hesitation about the very likely winner of Britain’s overall election on July 4th: with a lead of twenty amount aspects in national opinion surveys, the Work Party is incredibly probably to succeed. However there is actually unpredictability about the dimension of Labour’s majority in Britain’s 650-seat House of Commons. Some polling companies have actually published seat predictions making use of a novel approach called multi-level regression and also post-stratification (MRP).

What are these surveys– and exactly how precise are they?