There isn't much significance on the Beatles side of it. On the computer/algorithm/bayesian/tech/math side it might be moderately significant to some.
On the Beatles side, this is one of the few Lennon/McCartney songs where there was any recorded disagreement as to who contributed what. The results of this don't convince me, and given that one of the two involved is no longer here, it won't ever get settled.
On the Beatles side, this is one of the few Lennon/McCartney songs where there was any recorded disagreement as to who contributed what. The results of this don't convince me, and given that one of the two involved is no longer here, it won't ever get settled.