mars-project / mars-project/mars

Support Series.rank()

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mod: dataframe type: feature
Dominant language
Python
Stars
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Forks
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Description

Support Series.rank(). pandas docs see https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.rank.html .

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 pandas Series.rank documentation, then locate Mars's Series API implementation and existing Series operation tests. Done means Series.rank() is supported with behavior matching the pandas reference and the relevant test coverage passes.

Written by the indexing model from the issue text.

Assessment

Tech stack
pandas, python
Domain
data
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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