Patent attributes
An example method to adjust demographic data involves generating a first model based on reference demographic data corresponding to panelists, and based on first age data and a quantity of mobile webpage views from a database proprietor that is separate from a first entity, the reference demographic data collected from the panelists and stored by the first entity, and the first age data and the quantity of mobile webpage views corresponding to ones of the panelists having user accounts with the database proprietor; and based on determining that redistributing at least some of the first age data will increase an age data accuracy, redistributing the at least some of the first age data across age categories to generate a second model, the second model to facilitate adjusting second age data of the database proprietor to correct inaccuracies and/or misrepresentations in at least some of the second age data.