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Lasso (Least Absolute Shrinkage and Selection Operator) applies L1 regularization, which drives some coefficients exactly to zero. This means Lasso simultaneously trains a model and selects features.

Configuration

ParameterDescriptionDefault
AlphaRegularization strength. Higher = more coefficients pushed to zero.1.0
Fit InterceptWhether to include a bias/intercept term.true
Max IterationsMaximum solver iterations.1000
Random StateSeed for reproducibility.42

Input / Output

Type
InputX Train + Y Train
OutputTrained Model

When to use

Use when you suspect only a subset of your features are truly predictive and want the model to identify them automatically. Scale features before using Lasso.