There is also a measure of deegre of accuracy: if we have a sequence that is repeat(1..100), a predictor that always says 100 will be 1% accurate, while a predi

There is also a measure of deegre of accuracy: if we have a sequence that is repeat(1..100), a predictor that always says 100 will be 1% accurate, while a prediction of repeat(2..101) will never be accurate but alway off just by one.