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Why are data labels missing in some charts within the EMBAC Program Survey Reports and Dashboard?

Understanding Data Visualization in the EMBAC Program Survey Reports and Dashboard

When reviewing any of the EMBAC Membership Program Survey PDF reports—including the Standard Report, Cost Band Reports, Peer Reports, Executive Summaries—or when using the EMBAC Research Dashboard, you may notice that some charts do not display numerical data labels for every slice, bar, or segment. This behavior is intentional and reflects the native design of Microsoft Power BI, the platform used to generate both the Dashboard and the downloadable reports.

Why Some Data Labels are Hidden

The PDF Reports and Research Dashboard are built with the Microsoft Power BI data visualization platform. To maintain the high visual standards of the report, Power BI applies built-in logic and thresholds for displaying labels:

  • Preserving Clarity: If every small segment in a dense chart had a visible label, the text would frequently overlap, making the visualization illegible.
  • Built-in Thresholds: Power BI uses an internal “anti‑collision” algorithm and minimum‑size thresholds to determine whether a label can be shown without creating clutter.
  • Focus on Relevance: This approach ensures reader attention is directed toward the most statistically significant trends and data values.

The Value of Power BI

Power BI was selected for the data visualization because it provides a robust, scalable platform for delivering complex survey data in a clear, consistent, and interactive format. The platform supports precise data handling, multi‑year trending, and advanced filtering while maintaining professional visualization standards that prevent clutter and misinterpretation.

Power BI also enables secure, role‑based access for EMBAC members and allows the dashboard to be updated and republished efficiently as new survey data becomes available, ensuring continuity, and accuracy.

Identifying Missing Data

It is important to note that a lack of a label for a small segment is different from Missing Data. If a graph or table does not display data for a particular year or segment entirely, it indicates the question was not asked during that specific trending timeframe.