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": "VIF Test (Python - statsmodels)",
  "dataset": "bodyfat",
  "formula": "Density ~ BodyFat + Age + Weight + Height + Neck + Chest + Abdomen + Hip + Thigh + Knee + Ankle + Biceps + Forearm + Wrist",
  "vif_values": [
    3.9848570514456516,
    2.2852726373283367,
    33.89374360747544,
    1.6782876844825458,
    4.398925374438392,
    9.463180292592869,
    17.797924728489363,
    14.922301990297314,
    7.865281436125754,
    4.6122240205292515,
    1.9129092572327766,
    3.6368719420769127,
    2.2399618927153213,
    3.507763429628098
  ],
  "variable_names": [
    "BodyFat",
    "Age",
    "Weight",
    "Height",
    "Neck",
    "Chest",
    "Abdomen",
    "Hip",
    "Thigh",
    "Knee",
    "Ankle",
    "Biceps",
    "Forearm",
    "Wrist"
  ],
  "max_vif": 33.89374360747544,
  "interpretation": "Severe multicollinearity detected (VIF > 10)",
  "description": "Variance Inflation Factor measures multicollinearity among predictors. Uses statsmodels.stats.outliers_influence.variance_inflation_factor."
}