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Barbell Chart Node

The Barbell Chart Node is a visualization tool that highlights changes or differences between two data points for each category, using a line connecting two markers.

Overview​

This node requires the user to select a category column (X axis) and two value columns (Y axis). Each barbell represents a category, with markers indicating the values and a connecting line showing the difference.

Key Features​

  • Change visualization: Easily compare two values for each category.
  • Customizable markers: Adjust marker styles and colors.
  • Dashboard ready: Integrates with dashboards for interactive exploration.

Required Data​

  • xColumn: The category column.
  • yColumn1: The first value column.
  • yColumn2: The second value column.
  • markerStyle, lineStyle, log, polar: Additional display options.

How it works​

  1. Add the Barbell Chart Node to your workflow.
  2. Connect your dataset.
  3. Select the category and value columns.
  4. Configure marker and line styles as needed.
  5. The node renders a barbell chart.

Use Cases​

  • Before and after analysis: Compare values before and after an event.
  • Performance comparison: Visualize differences between two metrics.
  • Trend analysis: Highlight changes over time for categories.

Benefits​

  • Clear visualization of differences between two values.
  • Flexible configuration for markers and lines.
  • Handles large datasets efficiently.