US11323772B2
patent
Example methods, apparatus, systems, and articles ofmanu facture are disclosed to estimate population reach for dif ferent unions based on marginal ratings. An example appa ratus includes aa reach determiner to determine a population reach estimate of a union of time intervals for which media ratings data is available , the population reach estimate based on a pseudo universe estimate of a population audience corresponding to the union of the time intervals; a pseudo universe determiner to determine a pseudo universe estimate of a recorded audience corresponding to the union of the time intervals ; determine the pseudo universe estimate of the population audience based on the pseudo universe estimate of the recorded audience; and iteratively update the pseudo ( Continued )
15 claims. 101,999 characters of text.