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trait IObjective extends Serializable

interface for customize Object function

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Abstract Value Members

  1. abstract def getGradient(predicts: Array[Array[Float]], dtrain: DMatrix): List[Array[Float]]

    user define objective function, return gradient and second order gradient

    user define objective function, return gradient and second order gradient

    predicts

    untransformed margin predicts

    dtrain

    training data

    returns

    List with two float array, correspond to first order grad and second order grad

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  6. final def eq(arg0: AnyRef): Boolean
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  9. def hashCode(): Int
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  10. final def isInstanceOf[T0]: Boolean
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  11. final def ne(arg0: AnyRef): Boolean
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  13. final def notifyAll(): Unit
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  14. final def synchronized[T0](arg0: => T0): T0
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  16. final def wait(arg0: Long, arg1: Int): Unit
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  17. final def wait(arg0: Long): Unit
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  18. final def wait(): Unit
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Deprecated Value Members

  1. def finalize(): Unit
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    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

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