Patent ID: 8739197

Claim:
A computer-implemented method comprising: accessing tuning data representing a television viewing event associated with a particular household; accessing household member data representing information on individual members of the particular household; accessing viewing profile data representing information on individual members of other households regarding viewership by the individual members of the other households; determining fractional viewership values for the individual members of the particular household based on the tuning data, the household member data, and the viewing profile data including: for each individual member of the particular household, determining a probability for that member having watched the television viewing event based on the household member data and the viewing profile data; determining a household adjustment factor representing the probability that at least one member of the household watched the television viewing event, the household adjustment factor based at least in part on a probability of the television viewing event occurring in a household having a same demographic profile as the particular household; for each individual member of the particular household, adjusting the probability for that member having watched the television viewing event based on the household adjustment factor; and for each individual member of the particular household, determining the fractional viewership value based on the adjusted probability for that member having watched the television viewing event; and determining household viewership data based on the fractional viewership values.