---
title: "Bi-Variate Bubble Line"
description: "Multi-grid scatter-line charts with dynamically sized bubbles, supporting category and value axes, split panels, and optional grouping."
group: Charts
tags: [Visualization, Bubble Line Chart, Multi-Panel, Scatter Plot, Trend Analysis]
---
import { Aside, Steps } from '@astrojs/starlight/components';
# Bi-Variate Bubble Line
A **BiVariate Bubble Line Chart** combines a scatter plot with bubble sizing and connected lines to visualize trends across categories and value pairs.
Supports splitting data across multiple grids using a **Split** dimension and optionally grouping series using a **Group** dimension.
**Key Features:**
- **Multi-grid (small multiples)** layout based on a Split dimension.
- Optional **Group dimension** for multiple bubble line series per grid.
- Configurable bubble sizes based on a Size measure or default Value.
- Flexible **Horizontal** and **Vertical** orientation.
- DataZoom controls for both axes.
- Custom legends, tooltips, axis styles, heatmaps, and series customization.
- Interactive drill-down on bubble click events.
**Use Cases:**
- **Sales vs. Profit trends** across product lines.
- **Time-series readings** with bubble size as volume.
- **Performance trends** split by categories like regions or devices.
- Multi-line scatter trends for different demographic segments.
---
## ⚙️ Setup
1. Add the **BiVariate Bubble Line Chart** widget to your Infoboard.widget from the chart library onto your designer workspace.
2. Select the chart.
3. Go to the [Widget Configuration](/insights-v8/guide-to-infoboard-designer/customize-panel/configure/) tab in the Customize panel.
4. Under the Configuration tab, select the [Basic Configuration](/insights-v8/guide-to-infoboard-designer/customize-panel/configure/#basic) option to access the essential settings for the bi variate bubble line chart.
5. Select the [Source](/insights-v8/guide-to-infoboard-designer/customize-panel/setup/#sources) which the chart will pull the data from the option.
6. Map:
- **[Value (Measure)](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** — The primary numeric value for bubble positions.
- **[Size (Measure)](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** (optional) — A numeric measure that controls bubble size.
- **[Axis (Dimension)](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** — The independent axis (categories, values, etc.).
- **[Split (Dimension)](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** — The dimension to split the visualization into grids.
- (Optional) **[Group (Dimension)](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** — To show multiple series in each grid.
7. Optionally add a **Date** field for time-based filtering.
8. Enable **Hide Zero Values** to omit symbols with zero values if needed.
---
## 📊 Basic Configuration
| Configuration Item | Description |
|:------------------|:----------------------------|
| **[Source](/insights-v8/guide-to-infoboard-designer/customize-panel/setup/#sources)** | Source providing the data for measures and dimensions. |
| **[Value](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** | Primary numeric measure for bubble position (X or Y axis). |
| **[Size](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** | (Optional) Numeric measure determining bubble size. |
| **[Axis](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** | Dimension for independent axis labels. |
| **[Split](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** | Splits data into multiple chart grids. |
| **[Group](/studio-v8/datasources/measures-dimensions-and-hierarchies/)** (optional) | Groups multiple bubble series within a grid. |
---
## 🎨 Chart Customizations
| Category | Options & Description |
|:------------|:------------------------------------------------|
| **[General](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#general)** | Modify the chart’s general appearance, including the background color, borders, shadows, and drill-out choices.
| **[Title](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#title)** | Enable and customize chart title text, alignment, font, and color. |
| **[Sorting](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#sorting)** | Define custom sort orders for categories along the X and Y axes. |
| **[Grid](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#grid)** | Adjust chart margins, grid spacing, and padding around the matrix area. |
| **[Legend](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#legends)** | Toggle visibility, position, orientation, and customize legend labels and icons. |
| **[HeatMap](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#heatmap)** | Configure a visual color map to represent value intensity with a gradient. |
| **[Categorical Axis (X, Y)](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#categorical-axis)** | Customize axis labels, intervals, rotation, visibility, and range sliders for both axes. |
| **[Numerical Axis](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#numerical-axis)** | Value axis type, log scale, min/max ranges. |
| **[Series](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#series-customization)** | Bubble line color, symbol shape, line type, symbol size mapping. |
| **[Tooltip](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#tooltip)** | Tooltip display and formatting. |
| **[Others](/insights-v8/guide-to-infoboard-designer/customize-panel/customization-tab/#other-options)** | Bubble Min/Max sizes, chart orientation. |
---
## 📊 Example Visualization
