Data Health Overview Page

The Dataset Health Overview page provides insights into a dataset's status and attributes during a specific scan.

On this page, you can see the Health KPIs defined in Calculated Health Metrics. You can also see attribute-level metrics:

KPI	Description
Duplicates	Number of records with duplicate values in the attribute
Unique	Number of records with unique values in the attribute
Distinct	Count of distinct values in the attribute
Empty	Count of empty values, including nulls or empty strings, in the attribute
Cardinality	The cardinality of values in the attribute, indicating whether it's low or high

Note: For all attribute-level metrics, table-level metrics are calculated as the average across different columns.

Selector Component

The Selector Component allows you to customize the data view by selecting:

• Dataset: Choose the dataset you want to analyze

• Attributes: Select the attributes to calculate metrics on

• Segments: Filter the data based on specific segments

• Scan Time: Select the time of the data scan

Health KPIs Summary

The Health KPIs Summary provides a quick overview of key Data Quality KPIs at both the table and attribute levels.

Attribute(s) KPIs

For each attribute (or column), Telmai calculates and displays the corresponding profiling metrics.