Transformer

abstract val aggregator: Aggregator[A, B, C]

Aggregator for computing input values into a summary.

abstract def buildFeatures(a: Option[A], c: C, fb: FeatureBuilder[_]): Unit

Build features from a single input value and an aggregator summary.

abstract def decodeAggregator(s: Option[String]): Option[C]

Decode aggregator summary from a previous extraction.

abstract def encodeAggregator(c: Option[C]): Option[String]

Encode aggregator summary of the current extraction.

abstract def featureDimension(c: C): Int

Number of generated features given an aggregator summary.

abstract def featureNames(c: C): Seq[String]

Names of the generated features given an aggregator summary.

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

val name: String

feature name

def nameAt(n: Int): String

def names(n: Int): Iterator[String]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def optBuildFeatures(a: Option[A], c: Option[C], fb: FeatureBuilder[_]): Unit

def optFeatureDimension(c: Option[C]): Int

def optFeatureNames(c: Option[C]): Seq[String]

def params: Map[String, String]

Compile time parameters.

def settings(c: Option[C]): Settings

Settings including compile time parameters and runtime aggregator summary.

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit