linreg-core 0.8.1

Lightweight regression library (OLS, Ridge, Lasso, Elastic Net, WLS, LOESS, Polynomial) with 14 diagnostic tests, cross validation, and prediction intervals. Pure Rust - no external math dependencies. WASM, Python, FFI, and Excel XLL bindings.
Documentation 
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{
  "test_name": "Rainbow Test (Python - statsmodels)",
  "dataset": "iris",
  "formula": "Sepal.Length ~ Sepal.Width + Petal.Length + Petal.Width + Species",
  "statistic": 1.619028226216575,
  "p_value": 0.005687296458096868,
  "passed": false,
  "fraction": 0.5,
  "description": "Tests for linearity by comparing fit on central subset vs full data. Uses statsmodels.stats.diagnostic.linear_rainbow."
}