geom_smooth with more than 999 rows
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- Python
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Description
It looks like geom_smooth only supports up to 999 rows.
You can see below that when I increase the row count from 999 to 1000 I get a regression line rather than a smooth plot.


I tried to specify method = 'gam' but I get the following error which seems to indicate that gam is not available.
PlotnineError: "Method should be one of ['lm', 'ols', 'wls', 'rlm', 'glm', 'gls', 'lowess', 'loess', 'mavg', 'gpr']"
Is adding gam to geom_smooth for smoothing more than 1000 lines on the roadmap? Is there another method to accomplish this?
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- Read the whole issue, then the project's contributing guide.
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Research direction
Start at the geom_smooth entry point and reproduce the difference between 999 and 1000 rows using the example in the issue. Trace how the supported smoothing methods are selected, then add coverage for the row-count boundary and verify the intended smooth result and method availability.
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Assessment
- Tech stack
- python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100