openml / openml/OpenML

Missing metafeatures on openml.org and in python API

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PHP
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Description

I am trying to access all the metafeatures available to compare against the ones computed by my team. We noticed that there are far fewer metafeatures available lately. For example, the Iris dataset has only 19 listed, but I think there are supposed to be over 100. Using the python API, version 0.7.0, we get the same results.

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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 reproducing the discrepancy with the Python API version 0.7.0 for the Iris dataset, then compare its results with the metafeatures shown on openml.org. The issue mentions the metalearn comparison and an expected count of over 100; done means the missing metafeatures are restored consistently in both interfaces.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
api, machine-learning
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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