featurizer

Type Members

1. class BooleanFeaturizer extends Featurizer

   

   Featurize boolean value into native VW structure.

   Featurize boolean value into native VW structure. (True = hash(feature name):1, False ignored).

2. abstract class Featurizer extends Serializable

   

3. class MapFeaturizer[T] extends Featurizer

   

   Featurize map of type T into native VW structure.

   Featurize map of type T into native VW structure. (hash(column name + k):value)

   T

   value type.

4. class MapStringFeaturizer extends Featurizer

   

   Featurize map strings into native VW structure.

   Featurize map strings into native VW structure. (hash(column name + k + v):1)

5. class NumericFeaturizer extends Featurizer

   

   Featurize numeric values into native VW structure.

   Featurize numeric values into native VW structure. ((hash(column name):value)

6. class StringArrayFeaturizer extends Featurizer

   

   Featurize array of strings into native VW structure.

   Featurize array of strings into native VW structure. (hash(column name + k):1)

7. class StringFeaturizer extends Featurizer

   

   Featurize string into native VW structure.

   Featurize string into native VW structure. (hash(column name + value):1)

8. class StringSplitFeaturizer extends Featurizer

   

   Featurize strings by splitting into native VW structure.

   Featurize strings by splitting into native VW structure. (hash(s(0)):value, hash(s(1)):value, ...)

9. class VectorFeaturizer extends Featurizer

   

   Featurize sparse and dense vector into native VW structure.

   Featurize sparse and dense vector into native VW structure. (hash(s(0)):value, hash(s(1)):value, ...)