Decision Workspace
polars-formula vs lowess vs fastLowess
Side-by-side comparison of Rust crates
48
polars-formula
experimentalv0.3.9
High-performance formula parsing and materialization library for Polars DataFrames with R/Formulaic/Patsy style syntax
65
lowess
experimentalv1.2.0
LOWESS (Locally Weighted Scatterplot Smoothing)
62
fastLowess
experimentalv1.2.0
High-performance LOWESS (Locally Weighted Scatterplot Smoothing)
Core Metrics
| polars-formula | lowess | fastLowess | |
|---|---|---|---|
| Health Score | 48 | 65 | 62 |
| Total Downloads | 4.5K | 2.5K | 1.6K |
| 30d Downloads | 15 | 555 | 293 |
| Dependents | 0 | 15 | 3 |
| Releases | 15 | 20 | 15 |
| Last Updated | 209d ago | 15d ago | 15d ago |
| Age | 7m | 4m | 3m |
Health Breakdown
polars-formula
Maintenance
14
Quality
9
Community
6
Popularity
4
Documentation
15
lowess
Maintenance
18
Quality
19
Community
9
Popularity
4
Documentation
15
fastLowess
Maintenance
18
Quality
17
Community
8
Popularity
4
Documentation
15
Technical Details
| polars-formula | lowess | fastLowess | |
|---|---|---|---|
| Version | 0.3.9 | 1.2.0 | 1.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 8 | 2 | 8 |
| Crate Size | 226KB | 60KB | 60KB |
| Features | 2 | 3 | 4 |
| Yanked % | 13.3% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.70 | 1.88 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lowess leads with a health score of 65/100, but none of the options score above 80.
- •polars-formula has the most downloads (4.5K), suggesting wider adoption.
- •polars-formula is pre-1.0 — API may change.