Data Visualizer

This chapter refers to the legacy version of the Data Visualizer.
For the current version, see the new Data Visualizer.

About the Data Visualizer App

The Classic Data Visualizer app lets you select indicators, data elements, periods, and organisation units for analysis.
It works well on poor connections and generates charts in the web browser.

Tips

• Click series labels in the chart to hide/show them.
• Use the triple-left-arrow on the top center to collapse the side menu.

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Create a Chart

1. Open the Classic Data Visualizer app and choose a chart type.
2. Select metadata from all three dimensions:
   • Data (indicators, data elements, reporting rates)
   • Periods (fixed or relative)
   • Organisation units
3. Click Layout to arrange dimensions.
4. Click Update to generate the chart.

Note:
Default period type can be changed in:
System Settings → General → Default relative period for analysis.

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Select a Chart Type

There are nine chart types:

Chart Type	Description
Column chart	Vertical bars for comparison across units.
Stacked column	Vertical stacked bars to show sums and trends.
Bar chart	Same as column, but horizontal.
Stacked bar	Horizontal stacked bars.
Line chart	Time-series visualization.
Area chart	Filled line chart for comparing trends.
Pie chart	Proportional circular chart.
Radar chart	Spider chart showing multivariate data.
Speedometer chart	Gauge chart (0–100%).

Select the type under Chart type → click Update.

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Select Dimension Items

DHIS2 data uses three main dimensions:

• Data: indicators, data elements, datasets
• Periods: fixed or relative
• Organisation units: where the event occurred

You can select items by:

• Double-click
• Single-arrow / double-arrow buttons
• Clearing items from the Selected list

Select Indicators

1. Click Data → Indicators.
2. Choose an indicator group.
3. Double-click indicators to move them to Selected.

Select Data Elements

Same steps as indicators.

Select Reporting Rates

1. Click Data → Reporting rates.
2. Double-click rates to add.

Select Fixed & Relative Periods

You may combine both.

• Fixed periods: select a period type, pick periods.
• Relative periods: e.g., Last month, Last 12 months.

Select Organisation Units

1. Click Organisation units.
2. Select Selection mode:

Mode	Description
Select organisation units	Choose units from the tree or use user-based shortcuts.
Select levels	Select all units at a certain hierarchy level.
Select groups	Select units by group (e.g., hospitals).

3. Click Update.

Additional Dimensions

Depending on configurations (e.g., age, sex), you may add extra dimensions for analysis.

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Series, Category, and Filter

Use Layout to assign:

• Series → trends (e.g., periods)
• Categories → comparison groups (e.g., org units)
• Filter → restrict data (only 1 item allowed for Data dimension)

Drag and drop, then click Update.

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Change Chart Display

Use Options to customize chart appearance.

Option Group	Setting	Description
Data	Show values	Display numeric values on chart.
	100% stacked	Normalize columns to 100%.
	Cumulative	Cumulative line values.
	Hide empty categories	Remove missing-value items.
	Trend line	Show performance trend.
	Target/Base line	Add reference lines.
	Sort order	Sort values ascending/descending.
	Aggregation type	Count, Min, Max, etc.
Events	Include only completed events	Exclude partial events.
Axes	Min/Max, ticks, decimals, titles	Customize axis appearance.
Style	No space between bars	Useful for EPI curves.
General	Hide title, subtitle, legend	Clean up visual appearance.

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Manage Favorites

Favorites allow saving, sharing, and reusing charts.

Open a Favorite

Go to Favorites → Open and pick one.

Save a Favorite

Favorites → Save as → enter Name and Description.

Rename

Favorites → Rename

Interpretations

Write an interpretation for shared favorites:

• Supports bold, italic, emojis, mentions (@username), and URLs.

Subscribe

Receive notifications on updates.

Get Link

Generate links for:

• Use in the app
• Web API (JSON, CSV, etc.)

Delete

Favorites → Delete

View Interpretations for Relative Periods

Click interpretation items to load chart with the correct date context.

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Download a Chart

Download → Graphics → PNG or PDF

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Download Chart Data Source

Download data behind the chart in various formats:

Format	Description
JSON	ID-based; also Code/Name supported
XML	ID-based; also Code/Name supported
Excel	ID/Code/Name
CSV	ID/Code/Name
JRXML	Jasper Report template
Raw SQL	SQL used to generate the visualization

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Embed Charts in Any Web Page

Share → Embed in web page
Copy the generated HTML snippet.

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Open as Pivot Table or Map

In the chart view, click Chart or Map to switch.

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