case class ObjectiveParams(objective: String, fobj: Option[FObjTrait]) extends ParamGroup with Product with Serializable

Defines parameters related to the lightgbm objective function.

objective

The Objective. For regression applications, this can be: regression_l2, regression_l1, huber, fair, poisson, quantile, mape, gamma or tweedie. For classification applications, this can be: binary, multiclass, or multiclassova.

fobj

Customized objective function. Should accept two parameters: preds, train_data, and return (grad, hess).

Linear Supertypes
Product, Equals, ParamGroup, Serializable, Serializable, AnyRef, Any
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  1. ObjectiveParams
  2. Product
  3. Equals
  4. ParamGroup
  5. Serializable
  6. Serializable
  7. AnyRef
  8. Any
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Visibility
  1. Public
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Instance Constructors

  1. new ObjectiveParams(objective: String, fobj: Option[FObjTrait])

    objective

    The Objective. For regression applications, this can be: regression_l2, regression_l1, huber, fair, poisson, quantile, mape, gamma or tweedie. For classification applications, this can be: binary, multiclass, or multiclassova.

    fobj

    Customized objective function. Should accept two parameters: preds, train_data, and return (grad, hess).

Value Members

  1. def appendParams(sb: ParamsStringBuilder): ParamsStringBuilder
    Definition Classes
    ObjectiveParams → ParamGroup
  2. val fobj: Option[FObjTrait]
  3. val objective: String
  4. def toString(): String
    Definition Classes
    ParamGroup → AnyRef → Any