MultiFeatureSpec

com.spotify.featran.MultiFeatureSpec

See theMultiFeatureSpec companion object

class MultiFeatureSpec[T](val mapping: Map[String, Int], val features: Array[Feature[T, _, _, _]], val crossings: Crossings)

Wrapper for FeatureSpec that allows for combination and separation of different specs.

Attributes

Concise view

Extract features from a input collection.

This is done in two steps, a reduce step over the collection to aggregate feature summary, and a map step to transform values using the summary.

Extract features from a input collection using settings from a previous session.

This bypasses the reduce step in extract and uses feature summary from settings exported in a previous session.

Extract features from a input collection using partial settings from a previous session.

This bypasses the reduce step in extract and uses feature summary from settings exported in a previous session.

Creates a new MultiFeatureSpec with only the features that respect the given predicate.

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