Combining the smoothed posterior distribution with empirical distribution for cohorts with small sample size
US10275612B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2017 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Jul 3, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0201
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an example embodiment, posterior distribution based percentiles for confidential data submitted to a computer system are computed. Then empirical percentiles are computed for the confidential data. A convex combination factor is computed based on a ratio between a number of valid entries in a cohort of the confidential data values and a combination of the number of valid entries in the cohort and the number of valid entries in a parent cohort of the cohort. Then, for each percentile of interest, a convex combination of the empirical percentile and the posterior distribution based percentile is calculated, using the convex combination factor to weight the empirical percentile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.