Class/Object

com.johnsnowlabs.nlp.embeddings

ChunkEmbeddings

Related Docs: object ChunkEmbeddings | package embeddings

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class ChunkEmbeddings extends AnnotatorModel[ChunkEmbeddings]

This annotator utilizes WordEmbeddings or BertEmbeddings to generate chunk embeddings from either Chunker, NGramGenerator, or NerConverter outputs.

TIP:

How to explode and convert these embeddings into Vectors or what’s known as Feature column so it can be used in Spark ML regression or clustering functions:

import org.apache.spark.ml.linalg.{Vector, Vectors}

// Let's create a UDF to take array of embeddings and output Vectors
val convertToVectorUDF = udf((matrix : Seq[Float]) => {
    Vectors.dense(matrix.toArray.map(_.toDouble))
})

// Now let's explode the sentence_embeddings column and have a new feature column for Spark ML
pipelineDF.select(explode($"chunk_embeddings.embeddings").as("chunk_embeddings_exploded"))
.withColumn("features", convertToVectorUDF($"chunk_embeddings_exploded"))

See https://github.com/JohnSnowLabs/spark-nlp/blob/master/src/test/scala/com/johnsnowlabs/nlp/embeddings/ChunkEmbeddingsTestSpec.scala for further reference on how to use this API.

Linear Supertypes
AnnotatorModel[ChunkEmbeddings], CanBeLazy, RawAnnotator[ChunkEmbeddings], HasOutputAnnotationCol, HasInputAnnotationCols, HasOutputAnnotatorType, ParamsAndFeaturesWritable, HasFeatures, DefaultParamsWritable, MLWritable, Model[ChunkEmbeddings], Transformer, PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. ChunkEmbeddings
  2. AnnotatorModel
  3. CanBeLazy
  4. RawAnnotator
  5. HasOutputAnnotationCol
  6. HasInputAnnotationCols
  7. HasOutputAnnotatorType
  8. ParamsAndFeaturesWritable
  9. HasFeatures
  10. DefaultParamsWritable
  11. MLWritable
  12. Model
  13. Transformer
  14. PipelineStage
  15. Logging
  16. Params
  17. Serializable
  18. Serializable
  19. Identifiable
  20. AnyRef
  21. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ChunkEmbeddings()

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    Internal constructor to submit a random UID

  2. new ChunkEmbeddings(uid: String)

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Type Members

  1. type AnnotationContent = Seq[Row]

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    internal types to show Rows as a relevant StructType Should be deleted once Spark releases UserDefinedTypes to @developerAPI

    internal types to show Rows as a relevant StructType Should be deleted once Spark releases UserDefinedTypes to @developerAPI

    Attributes
    protected
    Definition Classes
    AnnotatorModel
  2. type AnnotatorType = String

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    Definition Classes
    HasOutputAnnotatorType

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    AnyRef → Any
  3. final def $[T](param: Param[T]): T

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    Attributes
    protected
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    Params
  4. def $$[T](feature: StructFeature[T]): T

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    Attributes
    protected
    Definition Classes
    HasFeatures
  5. def $$[K, V](feature: MapFeature[K, V]): Map[K, V]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  6. def $$[T](feature: SetFeature[T]): Set[T]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  7. def $$[T](feature: ArrayFeature[T]): Array[T]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  8. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  9. def _transform(dataset: Dataset[_], recursivePipeline: Option[PipelineModel]): DataFrame

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    Attributes
    protected
    Definition Classes
    AnnotatorModel
  10. def afterAnnotate(dataset: DataFrame): DataFrame

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    Attributes
    protected
    Definition Classes
    ChunkEmbeddingsAnnotatorModel
  11. def annotate(annotations: Seq[Annotation]): Seq[Annotation]

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    takes a document and annotations and produces new annotations of this annotator's annotation type

    takes a document and annotations and produces new annotations of this annotator's annotation type

    annotations

    Annotations that correspond to inputAnnotationCols generated by previous annotators if any

    returns

    any number of annotations processed for every input annotation. Not necessary one to one relationship

    Definition Classes
    ChunkEmbeddingsAnnotatorModel
  12. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  13. def beforeAnnotate(dataset: Dataset[_]): Dataset[_]

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    Attributes
    protected
    Definition Classes
    AnnotatorModel
  14. final def checkSchema(schema: StructType, inputAnnotatorType: String): Boolean

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    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  15. final def clear(param: Param[_]): ChunkEmbeddings.this.type

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    Definition Classes
    Params
  16. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  17. def copy(extra: ParamMap): ChunkEmbeddings

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    requirement for annotators copies

    requirement for annotators copies

    Definition Classes
    RawAnnotator → Model → Transformer → PipelineStage → Params
  18. def copyValues[T <: Params](to: T, extra: ParamMap): T

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    Attributes
    protected
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    Params
  19. final def defaultCopy[T <: Params](extra: ParamMap): T

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    Attributes
    protected
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    Params
  20. def dfAnnotate: UserDefinedFunction

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    Wraps annotate to happen inside SparkSQL user defined functions in order to act with org.apache.spark.sql.Column

    Wraps annotate to happen inside SparkSQL user defined functions in order to act with org.apache.spark.sql.Column

    returns

    udf function to be applied to inputCols using this annotator's annotate function as part of ML transformation

    Attributes
    protected
    Definition Classes
    AnnotatorModel
  21. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  22. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  23. def explainParam(param: Param[_]): String

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    Definition Classes
    Params
  24. def explainParams(): String

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    Definition Classes
    Params
  25. def extraValidate(structType: StructType): Boolean

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    Attributes
    protected
    Definition Classes
    RawAnnotator
  26. def extraValidateMsg: String

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    Override for additional custom schema checks

    Override for additional custom schema checks

    Attributes
    protected
    Definition Classes
    RawAnnotator
  27. final def extractParamMap(): ParamMap

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    Definition Classes
    Params
  28. final def extractParamMap(extra: ParamMap): ParamMap

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    Definition Classes
    Params
  29. val features: ArrayBuffer[Feature[_, _, _]]

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    Definition Classes
    HasFeatures
  30. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  31. def get[T](feature: StructFeature[T]): Option[T]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  32. def get[K, V](feature: MapFeature[K, V]): Option[Map[K, V]]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  33. def get[T](feature: SetFeature[T]): Option[Set[T]]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  34. def get[T](feature: ArrayFeature[T]): Option[Array[T]]

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    Attributes
    protected
    Definition Classes
    HasFeatures
  35. final def get[T](param: Param[T]): Option[T]

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    Definition Classes
    Params
  36. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  37. final def getDefault[T](param: Param[T]): Option[T]

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    Definition Classes
    Params
  38. def getInputCols: Array[String]

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    returns

    input annotations columns currently used

    Definition Classes
    HasInputAnnotationCols
  39. def getLazyAnnotator: Boolean

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    Definition Classes
    CanBeLazy
  40. final def getOrDefault[T](param: Param[T]): T

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    Definition Classes
    Params
  41. final def getOutputCol: String

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    Gets annotation column name going to generate

    Gets annotation column name going to generate

    Definition Classes
    HasOutputAnnotationCol
  42. def getParam(paramName: String): Param[Any]

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    Definition Classes
    Params
  43. def getPoolingStrategy: String

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    Choose how you would like to aggregate Word Embeddings to Chunk Embeddings: AVERAGE or SUM

  44. def getSkipOOV: Boolean

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    Whether to discard default vectors for OOV words from the aggregation / pooling

  45. final def hasDefault[T](param: Param[T]): Boolean

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    Params
  46. def hasParam(paramName: String): Boolean

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    Params
  47. def hasParent: Boolean

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    Definition Classes
    Model
  48. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  49. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean

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    Attributes
    protected
    Definition Classes
    Logging
  50. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  51. val inputAnnotatorTypes: Array[AnnotatorType]

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    Input annotator type : CHUNK, WORD_EMBEDDINGS

    Input annotator type : CHUNK, WORD_EMBEDDINGS

    Definition Classes
    ChunkEmbeddingsHasInputAnnotationCols
  52. final val inputCols: StringArrayParam

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    columns that contain annotations necessary to run this annotator AnnotatorType is used both as input and output columns if not specified

    columns that contain annotations necessary to run this annotator AnnotatorType is used both as input and output columns if not specified

    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  53. final def isDefined(param: Param[_]): Boolean

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    Params
  54. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  55. final def isSet(param: Param[_]): Boolean

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    Definition Classes
    Params
  56. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging
  57. val lazyAnnotator: BooleanParam

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    Definition Classes
    CanBeLazy
  58. def log: Logger

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    Attributes
    protected
    Definition Classes
    Logging
  59. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  60. def logDebug(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  61. def logError(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  62. def logError(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  63. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  64. def logInfo(msg: ⇒ String): Unit

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    protected
    Definition Classes
    Logging
  65. def logName: String

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    Attributes
    protected
    Definition Classes
    Logging
  66. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  67. def logTrace(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  68. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  69. def logWarning(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging
  70. def msgHelper(schema: StructType): String

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    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  71. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  72. final def notify(): Unit

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    Definition Classes
    AnyRef
  73. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  74. def onWrite(path: String, spark: SparkSession): Unit

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    Attributes
    protected
    Definition Classes
    ParamsAndFeaturesWritable
  75. val outputAnnotatorType: AnnotatorType

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    Output annotator type : WORD_EMBEDDINGS

    Output annotator type : WORD_EMBEDDINGS

    Definition Classes
    ChunkEmbeddingsHasOutputAnnotatorType
  76. final val outputCol: Param[String]

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    Attributes
    protected
    Definition Classes
    HasOutputAnnotationCol
  77. lazy val params: Array[Param[_]]

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    Definition Classes
    Params
  78. var parent: Estimator[ChunkEmbeddings]

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    Definition Classes
    Model
  79. val poolingStrategy: Param[String]

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    Choose how you would like to aggregate Word Embeddings to Chunk Embeddings: AVERAGE or SUM

  80. def save(path: String): Unit

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    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )
  81. def set[T](feature: StructFeature[T], value: T): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  82. def set[K, V](feature: MapFeature[K, V], value: Map[K, V]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  83. def set[T](feature: SetFeature[T], value: Set[T]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  84. def set[T](feature: ArrayFeature[T], value: Array[T]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  85. final def set(paramPair: ParamPair[_]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    Params
  86. final def set(param: String, value: Any): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    Params
  87. final def set[T](param: Param[T], value: T): ChunkEmbeddings.this.type

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    Definition Classes
    Params
  88. def setDefault[T](feature: StructFeature[T], value: () ⇒ T): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  89. def setDefault[K, V](feature: MapFeature[K, V], value: () ⇒ Map[K, V]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  90. def setDefault[T](feature: SetFeature[T], value: () ⇒ Set[T]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  91. def setDefault[T](feature: ArrayFeature[T], value: () ⇒ Array[T]): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    HasFeatures
  92. final def setDefault(paramPairs: ParamPair[_]*): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    Params
  93. final def setDefault[T](param: Param[T], value: T): ChunkEmbeddings.this.type

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    Attributes
    protected
    Definition Classes
    Params
  94. final def setInputCols(value: String*): ChunkEmbeddings.this.type

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    Definition Classes
    HasInputAnnotationCols
  95. final def setInputCols(value: Array[String]): ChunkEmbeddings.this.type

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    Overrides required annotators column if different than default

    Overrides required annotators column if different than default

    Definition Classes
    HasInputAnnotationCols
  96. def setLazyAnnotator(value: Boolean): ChunkEmbeddings.this.type

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    Definition Classes
    CanBeLazy
  97. final def setOutputCol(value: String): ChunkEmbeddings.this.type

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    Overrides annotation column name when transforming

    Overrides annotation column name when transforming

    Definition Classes
    HasOutputAnnotationCol
  98. def setParent(parent: Estimator[ChunkEmbeddings]): ChunkEmbeddings

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    Definition Classes
    Model
  99. def setPoolingStrategy(strategy: String): ChunkEmbeddings.this.type

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    PoolingStrategy must be either AVERAGE or SUM

  100. def setSkipOOV(value: Boolean): ChunkEmbeddings.this.type

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    Whether to discard default vectors for OOV words from the aggregation / pooling

  101. val skipOOV: BooleanParam

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    Whether to discard default vectors for OOV words from the aggregation / pooling

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

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    Definition Classes
    AnyRef
  103. def toString(): String

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    Definition Classes
    Identifiable → AnyRef → Any
  104. final def transform(dataset: Dataset[_]): DataFrame

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    Given requirements are met, this applies ML transformation within a Pipeline or stand-alone Output annotation will be generated as a new column, previous annotations are still available separately metadata is built at schema level to record annotations structural information outside its content

    Given requirements are met, this applies ML transformation within a Pipeline or stand-alone Output annotation will be generated as a new column, previous annotations are still available separately metadata is built at schema level to record annotations structural information outside its content

    dataset

    Dataset[Row]

    Definition Classes
    AnnotatorModel → Transformer
  105. def transform(dataset: Dataset[_], paramMap: ParamMap): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" )
  106. def transform(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" ) @varargs()
  107. final def transformSchema(schema: StructType): StructType

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    requirement for pipeline transformation validation.

    requirement for pipeline transformation validation. It is called on fit()

    Definition Classes
    RawAnnotator → PipelineStage
  108. def transformSchema(schema: StructType, logging: Boolean): StructType

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    Attributes
    protected
    Definition Classes
    PipelineStage
    Annotations
    @DeveloperApi()
  109. val uid: String

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    Definition Classes
    ChunkEmbeddings → Identifiable
  110. def validate(schema: StructType): Boolean

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    takes a Dataset and checks to see if all the required annotation types are present.

    takes a Dataset and checks to see if all the required annotation types are present.

    schema

    to be validated

    returns

    True if all the required types are present, else false

    Attributes
    protected
    Definition Classes
    RawAnnotator
  111. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  112. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  113. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  114. def wrapColumnMetadata(col: Column): Column

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    Attributes
    protected
    Definition Classes
    RawAnnotator
  115. def write: MLWriter

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    Definition Classes
    ParamsAndFeaturesWritable → DefaultParamsWritable → MLWritable

Inherited from CanBeLazy

Inherited from RawAnnotator[ChunkEmbeddings]

Inherited from HasOutputAnnotationCol

Inherited from HasInputAnnotationCols

Inherited from HasOutputAnnotatorType

Inherited from ParamsAndFeaturesWritable

Inherited from HasFeatures

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from Model[ChunkEmbeddings]

Inherited from Transformer

Inherited from PipelineStage

Inherited from Logging

Inherited from Params

Inherited from Serializable

Inherited from Serializable

Inherited from Identifiable

Inherited from AnyRef

Inherited from Any

Parameters

Annotator types

Required input and expected output annotator types

Members

Parameter setters

Parameter getters