ltrlib
API
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ltrlib/io.github.metarank.ltrlib/io.github.metarank.ltrlib.metric/NDCG

NDCG

io.github.metarank.ltrlib.metric.NDCG
See theNDCG companion object
case class NDCG(cutoff: Int, relpow: Boolean, nolabels: Double, single: Double) extends Metric

Attributes

Companion
object
Graph
Supertypes
trait Serializable
trait Product
trait Equals
trait Metric
class Object
trait Matchable
class Any
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Members list

Value members

Concrete methods

override def eval(y: Array[Array[Double]], yhat: Array[Array[Double]]): Double

Eval metric for multiple query groups

Eval metric for multiple query groups

Value parameters

y

ground truth

yhat

predicted values

Attributes

Definition Classes
def evalOne(y: Array[Double], yhat: Array[Double], k: Int): Double
def isZero(values: Array[Double]): Boolean
def log(base: Double, value: Double): Double

Inherited methods

def productElementNames: Iterator[String]

Attributes

Inherited from:
Product
def productIterator: Iterator[Any]

Attributes

Inherited from:
Product

Concrete fields

val base: Double
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