best-practice-and-impact/afcharts-py

[FEATURE] Stacked area chart example

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#207 opened on Jul 17, 2026

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documentationenhancementgood first issue

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Description

Preliminary Checks

  • I have searched existing issues to ensure this feature hasn't been requested before

Proposed Solution

Add Matplotlib and Plotly example code for a stacked area chart.

Examples:

This would be needed for both Matplotlib and Plotly pages. If you are tackling just one of these, please create a specific sub-issue for Matplotlib/Plotly accordingly.

Contributor guide

Research direction
Add example code for stacked area charts using Matplotlib and Plotly, following ONS design guidance. For Matplotlib, use plt.stackplot; for Plotly, use go.Scatter with fill='tonexty'.
Tech stack
python
Domain
data visualization
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Pythonmatplotlib
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80