statsmodels / statsmodels/statsmodels
OLS summary add explicit is-singular in the top table
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comp-io
comp-regression
type-enh
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- Python
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Description
Given that we have now a wider userbase, the default behavior of pinv is not really useful for the unwary.
see for example
http://stats.stackexchange.com/questions/116825/different-output-for-r-lm-and-python-statsmodel-ols-for-linear-regression
see also #1448 not all users see the warnings in the bottom text
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.
Research direction
No file or test is named. Start by tracing the OLS summary output and the default pinv behavior, then review #1448 and the linked example. Done means the top table explicitly reports whether the model is singular, addressing cases where users miss the warning text below.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100