observablehq / observablehq/plot

select top *k* values?

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#821 1 comment 2 reactions 0 assignees View on GitHub

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enhancement
Dominant language
HTML
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Description

A data transform to select the top k values in each series (facet+z)
Plot.selectTop({k: 5, value: "revenue", ...options})

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Begin with the proposed Plot.selectTop({k: 5, value: "revenue", ...options}) entry point. Clarify how top-k selection should apply within each facet+z series and what the transform should return; no files or tests are named in the issue.

Written by the indexing model from the issue text.

Assessment

Tech stack
d3
Domain
data-visualization
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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