openml / openml/openml.org

Dataset Comparison tool

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Feature Request
Dominant language
TypeScript
Stars
33
Forks
30
Avg merge
2d 21h
Merged PRs (30d)
6

Description

Proposed by @ogrisel - A 'comparison' view to see how two datasets differ, including for instance:

  • list column with different names between 2 versions of the same dataset or 2 datasets chosen by the user,
  • list change of data type representation for columns with same names,
  • list per-column number of rows with changed values and show the first 5 differing row values,

Possible approach: the new dataset table view allows users to select rows and do action on the selected datasets. 'Compare' could be one such action.

Contributor guide

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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 by reviewing the new dataset table view mentioned in the proposal and determine how users select datasets for actions. Define the comparison behavior for differing columns, data type representations, and changed values. Done means the comparison view supports the listed cases and presents the first five differing row values.

Written by the indexing model from the issue text.

Assessment

Tech stack
react, typescript
Domain
data, frontend
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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