How to access en determine data quality (DQ)

In the era of more and more data driven decisions and forecasting data is becoming more important. However, data is not always correct data.

In this article I want to show howto define/determine data quality. The Dama dimensions:
1. Completeness
2. Uniquesness
3. Timeliness
4. Validity
5. Accuracy
6. Consistency

Types of data: