Methods and apparatus to improve viewer assignment by adjusting for a localized event

摘要

Methods, apparatus, systems and articles of manufacture to improve viewer assignment by adjusting for a localized event are disclosed. An example method includes identifying, by executing an instruction with a processor, heavy tuning data associated with panelists in a first area based on (1) a first number of households tuned to first media in the first area and (2) a first percentage of exposure minutes tuned to the first media in the first area. The example method also includes determining, by executing an instruction with the processor, if the heavy tuning data represents a local bias based on a second percentage of exposure minutes tuned to second media in a second area.