Moodle Rubric Graph Report per Trev Wood

Rubric Graph for Moodle adds a quick visual breakdown of student marks directly to the Rubric Breakdown report in Moodle.

Once installed, a "Generate Graph" button appears above the rubric table. Clicking it displays:
- A stacked bar chart showing the distribution of marks for each criterion.
- Criteria names alongside the chart for quick reference.
- Counts of how many students achieved each level, with an overall total per criterion.
- Accessible colours with a clear red-to-green scale from lowest to highest level.
Graphs can be exported as PNG or CSV for reporting or record-keeping.
Designed to work on any Moodle site using the Advanced Grading – Rubric Ranges report.
No configuration required – just install the extension and visit a Rubric Breakdown report page.

Key features:
Visualise rubric mark distribution instantly.
Colour-coded performance levels.
Always-visible student counts for easy completeness checks.
Export data for external analysis.