Warn learners about "setting on copy"
Nobody has claimed this yet.
Assessment
- Difficulty
- 1/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 45/100
- Issue type
- Documentation
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- python
- Domain
- documentation
Research direction
No file or test is named in the issue. Start by locating the lesson section on chained indexing or assignments such as df[“a”][“b”] = 5; done means the lesson contains a short, dedicated warning that explains the warning and the risk of modifying a copy.
Written by the indexing model from the issue text.
Description
There should be a short but dedicated discussion warning about setting a value on copies: df[“a”][“b”] = 5. This is one of the most common mistakes made by beginners, and often they are also inexperienced to understand the warning. This type of error can lead to serious errors in an analysis.
- Dominant language
- No language data
- Stars
- 37
- Forks
- 70
- Avg merge
- 1m
- Merged PRs (30d)
- 1
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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