observablehq / observablehq/plot

Add a test for reduceData in bin and group

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Description

and maybe clear up the documentation?

see a semblance of a test here https://observablehq.com/@observablehq/testing-the-data-reducer-in-plot-bin

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked Observable notebook, then locate the reduceData implementation and existing tests for bin and group. Add coverage for the reducer behavior in both cases, and clarify the related documentation if needed; done means the tests capture the intended behavior and the documentation is understandable.

Written by the indexing model from the issue text.

Assessment

Tech stack
d3
Domain
data-visualization, documentation, testing
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
45/100

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