METHODS AND APPARATUS TO CORRECT FOR DETERIORATION OF A DEMOGRAPHIC MODEL TO ASSOCIATE DEMOGRAPHIC INFORMATION WITH MEDIA IMPRESSION INFORMATION
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United States of America Patent
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Jun 30, 2016
app pub date -
Dec 28, 2015
filing date -
Dec 28, 2015
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Abstract
Methods and apparatus to correct for deterioration of a demographic model to associate demographic information with media impression information are disclosed. An example method includes estimating first and second ages of audience members based on demographic information; estimating a third age of an audience member who is not included in the audience members; applying a window function to the second ages to determine a distribution of ages based on the third age; multiplying window values by the first ages to determine corrected first age components; dividing a total of the corrected first age components by a sum of the window values to determine an estimated age of the audience member at a first time; and determining the corrected age of the audience member at a second time based on the estimated age of the audience member at the first time and a time difference between the first and second times.
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