LightRuleFitHyperparameters

Properties

nroundstunable

integer≥ 1

Number of boosting rounds (LightGBM step).

num_leavestunable

integer≥ 1

Maximum number of leaves in one tree (LightGBM step).

max_depthtunable

integer

Maximum tree depth (LightGBM step). -1 = no limit.

learning_ratetunable

number≤ 1> 0

Learning rate (LightGBM step).

subsampletunable

number≤ 1> 0

Fraction of cases sampled per tree (LightGBM step).

subsample_freqtunable

integer≥ 1

Bagging frequency (LightGBM step).

lambda_l1tunable

number≥ 0

L1 regularization (LightGBM step).

lambda_l2tunable

number≥ 0

L2 regularization (LightGBM step).

objective

string | null

LightGBM objective. NULL = set from outcome type.

ifw_lightgbmtunable

boolean

Inverse Frequency Weighting in the LightGBM step.

alphatunable

number≥ 0≤ 1

Elastic net mixing parameter (GLMNET step).

lambda

array | null≥ 1 items

Regularization strength (GLMNET step). NULL = determined by cv.glmnet.

ifw_glmnettunable

boolean

Inverse Frequency Weighting in the GLMNET step.

ifw

boolean

Inverse Frequency Weighting in both steps. Cannot be combined with ifw_lightgbm or ifw_glmnet.

Relationships