From: An efficient record linkage scheme using graphical analysis for identifier error detection
Start cluster id | New cluster id | NHS number | hospital number | Surname | Forename | sex | date of birth (ddmmyyyy) | frequency of occurrence |
---|---|---|---|---|---|---|---|---|
1 | 1 | NULL | 4496644 | WILSON | DAVID | M | 14061940 | 3 |
2 | 2 | 5170231111 | NULL | WILSON | DAVID | M | 01051939 | 1 |
3 | 3 | 3319004037 | 4118890 | WILSON | DAVID | M | 20011969 | 2 |
4 | 4 | NULL | NULL | WILSON | DAVID | M | 20011969 | 1 |
5 | 3 | 3319004037 | NULL | WILSON | DAVID | M | 20011969 | 2 |
6 | 6 | NULL | 4118890 | WILSON | DAVID | M | 20011969 | 1 |