The 2020 Census Disclosure Avoidance System TopDown Algorithm
The 2020 Census Disclosure Avoidance System TopDown Algorithm
The Census TopDown Algorithm (TDA) is a disclosure avoidance system using differential privacy for privacy-loss accounting. The algorithm ingests the final, edited version of the 2020 Census data and the final tabulation geographic definitions. The algorithm then creates noisy versions of key queries on the data, referred to as measurements, …