Table 4 Administrative dataset characteristics
From: Estimating parameters for probabilistic linkage of privacy-preserved datasets
| Â | NSW(13,534,177 records) | SA(2,509,914 records) | WA(6,772,949 records) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Field | Unique Values | Missing % | Discriminating Power | Unique Values | Missing % | Discriminating Power | Unique Values | Missing % | Discriminating Power |
First Name | 168,766 | 2.9% | 8.61 | 124,849 | 5.5% | 9.18 | 78,992 | 0.3% | 8.54 |
Middle Name | 114,686 | 54.2% | 6.96 | 22,180 | 75.4% | 7.19 | 61,241 | 40.8% | 7.13 |
Last Name | 291,595 | 0% | 10.92 | 81,431 | 5.3% | 10.81 | 123,481 | 0% | 10.73 |
Dob Year | 123 | 0% | 6.47 | 115 | 0% | 6.45 | 118 | 0% | 6.39 |
Dob Month | 12 | 0% | 3.58 | 12 | 0% | 3.58 | 12 | 0% | 3.58 |
Dob Day | 31 | 0% | 4.94 | 31 | 0% | 4.94 | 31 | 0% | 4.94 |
Sex | 2 | 0% | 1.00 | 2 | 0% | 1.00 | 2 | 0% | 0.99 |
Address | 3,084,889 | 1.5% | 16.96 | 690,615 | 8.1% | 14.92 | 1,350,796 | 0.2% | 16.05 |
Suburb | 49,843 | 0.5% | 9.30 | 10,729 | 6.9% | 7.85 | 5542 | 0.1% | 7.73 |
Postcode | 3947 | 0.8% | 8.17 | 2238 | 8.5% | 6.90 | 2319 | 0.2% | 6.58 |