Key metrics for data quality management

What are the Key Metrics for Data Quality Management?

Data quality metrics, also known as Key Performance Indicators (KPIs), are measurable values that aid businesses in assessing the quality of their data. These metrics are instrumental in improving data quality and facilitating alignment within teams.

Accuracy: This metric evaluates how accurately the data represents real-world entities, occurrences, or trusted references. It's crucial for ensuring that the data reflects reality and can be relied upon for decision-making.
Completeness: Completeness measures the extent to which all required data is available. It's essential for ensuring that no critical data is missing, which could potentially lead to inaccurate analyses or decisions.
Timeliness: This metric assesses how current or outdated the data is. Timely data is crucial for making informed, up-to-date decisions.

What are the Intrinsic and Extrinsic Data Quality Metrics?

Intrinsic and extrinsic are two categories of data quality metrics. Intrinsic metrics are inherent to the data itself, while extrinsic metrics relate to the data's usefulness in a specific context.

Consistency: An intrinsic data quality metric, consistency measures whether the data is logically coherent and free from contradictions. Consistent data is vital for reliable analysis and decision-making.
Validity: An extrinsic data quality metric, validity assesses whether the data is correct and acceptable within the context it is used. Valid data is essential for ensuring the data's relevance and reliability in specific use cases.

What Other Data Quality Metrics are Important?

Aside from the primary metrics, there are other data quality metrics that businesses should consider, including Uniqueness, Privacy and security, Relevance, Reliability, and Usability.

Uniqueness: This metric ensures that each data entry is unique and not duplicated, which is crucial for maintaining the integrity of the data set.
Privacy and Security: These metrics evaluate how well the data is protected from unauthorized access or breaches, which is critical for maintaining trust in the data.
Relevance: This metric assesses whether the data is applicable and beneficial to the business context. Relevant data is crucial for making informed, strategic decisions.

How to Define Which Metrics to Measure?

Businesses can define which metrics to measure by identifying the key use cases for data in their organization. The chosen metrics should be relevant to the business context to gain trust in the data and its operations.

What are the Consequences of Poor-Quality Data?

Poor-quality data can lead to wasted resources, increased costs, unreliable analytics, and poor business decisions. Therefore, maintaining high-quality data is crucial for the success of any business.

Key metrics for data quality management

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How to evaluate a data catalog

What are the Key Metrics for Data Quality Management?

What are the Intrinsic and Extrinsic Data Quality Metrics?

What Other Data Quality Metrics are Important?

How to Define Which Metrics to Measure?

What are the Consequences of Poor-Quality Data?

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