Articles By
David M. Rothschild
Addendum to: Research note: Examining potential bias in large-scale censored data
Jennifer Allen, Markus Mobius, David M. Rothschild and Duncan J. Watts
Addendum to HKS Misinformation Review “Research note: Examining potential bias in large-scale censored data” (https://doi.org/10.37016/mr-2020-74), published on July 26, 2021.
By Jennifer Allen Markus Mobius David M. Rothschild Duncan J.Research Note
Research note: Examining potential bias in large-scale censored data
Jennifer Allen, Markus Mobius, David M. Rothschild and Duncan J. Watts
We examine potential bias in Facebook’s 10-trillion cell URLs dataset, consisting of URLs shared on its platform and their engagement metrics. Despite the unprecedented size of the dataset, it was altered to protect user privacy in two ways: 1) by adding differentially private noise to engagement counts, and 2) by censoring the data with a 100-public-share threshold for a URL’s inclusion.