Methods and apparatus to
US11140449 Patents
Methods, apparatus, systems, and articles of manufacture are disclosed to generate synthetic respondent level data . An example apparatus includes : a comparator to compare a target rating to a computed rating to determine a comparison result, the computed rating determined based on a seed panel, the seed panel including monitored panelists associ ated with return path data ; a seed panelist data adjuster to adjust the seed panel based on the comparison result to reduce an error between the target rating and the computed rating; and a household data adjuster to add tuning without viewing data
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