Background

When viewing https://commons.wikimedia.org/wiki/Data:Example.Bar.chart I see the chart but do not see the data powering it. With T388579 we are proposing adding a transform to data to convert it from original format into new format. This could lead to bugs that will be hard to debug without a visualization of the derived data.

User story

As a user of charts I want to see a table of the derived data to check my filter is working correctly.

Requirements

• When I visit https://commons.wikimedia.org/wiki/Data:Example.Bar.chart I can view the data being fed into the chart
• If a transform is being used, I see the transformed version of the data rather than the original source of the data.

BDD

• For QA engineer to fill out

Test Steps

• For QA engineer to fill out

Design

• Add mockups and design requirements

Acceptance criteria

• Add acceptance criteria

Communication criteria - does this need an announcement or discussion?

• Add communication criteria

Rollback plan

• What is the rollback plan in production for this task if something goes wrong?

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