Git-Mirrors/privacyguides.org
1
0
Fork 0
mirror of https://github.com/privacyguides/privacyguides.org.git synced 2025-07-21 05:51:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

fix table

Browse source
This commit is contained in:
fria 2025-07-12 06:11:59 -05:00 • committed by GitHub
parent e3db04c23a
commit b9c64a75e0
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 12 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

13
blog/posts/differential-privacy.md
View file

@ -58,13 +58,24 @@ For certain questions like "have you committed tax fraud?", respondents will lik
Have you committed tax fraud?
| Respondent | Answer | Coin Flip (not included in the actual dataset just here for illustration) |
| --- | --- |
| ---- | ---- |
| 1 | Yes | Tails (Answer Yes) |
| 2 | No | Heads (Answer Truthfully) |
| 3 | Yes | Heads (Answer Truthfully) |
| 4 | Yes | Tails (Answer Yes) |
| 5 | No | Heads (Answer Truthfully) |
Because we know the exact probability that a "Yes" answer is fake, 50%, we can remove it and give a rough estimate of how many respondents answered "Yes" truthfully.
Randomized Response would lay the groundwork for differential privacy, but it wouldn't truly be realized for many decades.
#### Unrelated Question Randomized Response
A variation used later in a [paper](https://www.jstor.org/stable/2283636) by Greenberg et al. called **unrelated question randomized response** would present each respondent with either a sensitive question or a banal question like "is your birthday in January?" to increase the likelihood of people answering honestly, since the researcher doesn't know which question was asked.
#### Problems with k-anonymity