What is it?
The converting of a dataset from a list of records to summarised values.
When to use it?
When individual records are not required and aggregated data is sufficient for the purpose.
A charity organisation has records of the donations made, as well as some information about the donors. The charity organisation needs to share the data with its consultant, and determines that sharing aggregated data is sufficient.
Before anonymisation:
| Donor | Monthly income ($) | Amount donated in 2018 ($) |
|---|---|---|
| Donor 1 | 4000 | 200 |
| Donor 2 | 4900 | 400 |
| Donor 3 | 2200 | 150 |
| Donor 4 | 4200 | 100 |
| Donor 5 | 5500 | 250 |
| Donor 6 | 2600 | 50 |
| Donor 7 | 3300 | 100 |
| Donor 8 | 5500 | 200 |
| Donor 9 | 1600 | 50 |
| Donor 10 | 3200 | 50 |
After anonymisation:
| Monthly income ($) | No. of donations received (2018) | Sum of amount donated in 2018 ($) |
|---|---|---|
| 1000-1999 | 1 | 50 |
| 2000-2999 | 2 | 200 |
| 3000-3999 | 2 | 150 |
| 4000-4999 | 3 | 700 |
| 5000-5999 | 2 | 450 |
| Total | 10 | 1550 |
You are expected to comply with University policies and guidelines namely, Appropriate Use of Information Resources Policy, IT Usage Policy and Social Media Policy. Users will be personally liable for any infringement of Copyright and Licensing laws. Unless otherwise stated, all guide content is licensed by CC BY-NC 4.0.