Class/Object

com.johnsnowlabs.nlp.annotators

Normalizer

Related Docs: object Normalizer | package annotators

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class Normalizer extends AnnotatorApproach[NormalizerModel]

Annotator that cleans out tokens. Requires stems, hence tokens. Removes all dirty characters from text following a regex pattern and transforms words based on a provided dictionary

See https://github.com/JohnSnowLabs/spark-nlp/blob/master/src/test/scala/com/johnsnowlabs/nlp/annotators/NormalizerTestSpec.scala for examples on how to use the API

Linear Supertypes
AnnotatorApproach[NormalizerModel], CanBeLazy, DefaultParamsWritable, MLWritable, HasOutputAnnotatorType, HasOutputAnnotationCol, HasInputAnnotationCols, Estimator[NormalizerModel], PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. Normalizer
  2. AnnotatorApproach
  3. CanBeLazy
  4. DefaultParamsWritable
  5. MLWritable
  6. HasOutputAnnotatorType
  7. HasOutputAnnotationCol
  8. HasInputAnnotationCols
  9. Estimator
  10. PipelineStage
  11. Logging
  12. Params
  13. Serializable
  14. Serializable
  15. Identifiable
  16. AnyRef
  17. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new Normalizer()

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  2. new Normalizer(uid: String)

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    uid

    required internal uid for saving annotator

Type Members

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

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    Attributes
    protected
    Definition Classes
    Params
  4. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  5. def _fit(dataset: Dataset[_], recursiveStages: Option[PipelineModel]): NormalizerModel

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    Attributes
    protected
    Definition Classes
    AnnotatorApproach
  6. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  7. def beforeTraining(spark: SparkSession): Unit

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    Definition Classes
    AnnotatorApproach
  8. final def checkSchema(schema: StructType, inputAnnotatorType: String): Boolean

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    Attributes
    protected
    Definition Classes
    HasInputAnnotationCols
  9. val cleanupPatterns: StringArrayParam

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    normalization regex patterns which match will be removed from token

  10. final def clear(param: Param[_]): Normalizer.this.type

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    Definition Classes
    Params
  11. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  12. final def copy(extra: ParamMap): Estimator[NormalizerModel]

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    Definition Classes
    AnnotatorApproach → Estimator → PipelineStage → Params
  13. def copyValues[T <: Params](to: T, extra: ParamMap): T

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

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    Attributes
    protected
    Definition Classes
    Params
  15. val description: String

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    Cleans out tokens

    Cleans out tokens

    Definition Classes
    NormalizerAnnotatorApproach
  16. final def eq(arg0: AnyRef): Boolean

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

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

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    Definition Classes
    Params
  19. def explainParams(): String

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    Definition Classes
    Params
  20. final def extractParamMap(): ParamMap

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

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    Definition Classes
    Params
  22. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  23. final def fit(dataset: Dataset[_]): NormalizerModel

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    Definition Classes
    AnnotatorApproach → Estimator
  24. def fit(dataset: Dataset[_], paramMaps: Array[ParamMap]): Seq[NormalizerModel]

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" )
  25. def fit(dataset: Dataset[_], paramMap: ParamMap): NormalizerModel

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" )
  26. def fit(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): NormalizerModel

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    Definition Classes
    Estimator
    Annotations
    @Since( "2.0.0" ) @varargs()
  27. final def get[T](param: Param[T]): Option[T]

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

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    Definition Classes
    AnyRef → Any
  29. def getCleanupPatterns: Array[String]

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    Regular expressions list for normalization, defaults [^A-Za-z]

  30. final def getDefault[T](param: Param[T]): Option[T]

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

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    returns

    input annotations columns currently used

    Definition Classes
    HasInputAnnotationCols
  32. def getLazyAnnotator: Boolean

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    Definition Classes
    CanBeLazy
  33. def getLowercase: Boolean

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    Lowercase tokens, default true

  34. final def getOrDefault[T](param: Param[T]): T

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    Definition Classes
    Params
  35. 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
  36. def getParam(paramName: String): Param[Any]

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    Definition Classes
    Params
  37. def getSlangMatchCase: Boolean

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    Whether to convert string to lowercase or not while checking

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

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    Definition Classes
    Params
  39. def hasParam(paramName: String): Boolean

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    Definition Classes
    Params
  40. def hashCode(): Int

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

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

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    Attributes
    protected
    Definition Classes
    Logging
  43. val inputAnnotatorTypes: Array[String]

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    Input Annotator Type : TOKEN

    Input Annotator Type : TOKEN

    Definition Classes
    NormalizerHasInputAnnotationCols
  44. 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
  45. final def isDefined(param: Param[_]): Boolean

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    Definition Classes
    Params
  46. final def isInstanceOf[T0]: Boolean

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

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    Definition Classes
    Params
  48. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging
  49. val lazyAnnotator: BooleanParam

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    Definition Classes
    CanBeLazy
  50. def log: Logger

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

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

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

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

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

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

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    Attributes
    protected
    Definition Classes
    Logging
  57. def logName: String

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

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

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

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

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    Attributes
    protected
    Definition Classes
    Logging
  62. val lowercase: BooleanParam

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    whether to convert strings to lowercase

  63. def msgHelper(schema: StructType): String

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

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

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

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    Definition Classes
    AnyRef
  67. def onTrained(model: NormalizerModel, spark: SparkSession): Unit

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    Definition Classes
    AnnotatorApproach
  68. val outputAnnotatorType: AnnotatorType

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    Output Annotator Type : TOKEN

    Output Annotator Type : TOKEN

    Definition Classes
    NormalizerHasOutputAnnotatorType
  69. final val outputCol: Param[String]

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

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    Definition Classes
    Params
  71. def save(path: String): Unit

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    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )
  72. final def set(paramPair: ParamPair[_]): Normalizer.this.type

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

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

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    Definition Classes
    Params
  75. def setCleanupPatterns(value: Array[String]): Normalizer.this.type

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    Regular expressions list for normalization, defaults [^A-Za-z]

  76. final def setDefault(paramPairs: ParamPair[_]*): Normalizer.this.type

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

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

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    Definition Classes
    HasInputAnnotationCols
  79. final def setInputCols(value: Array[String]): Normalizer.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
  80. def setLazyAnnotator(value: Boolean): Normalizer.this.type

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    Definition Classes
    CanBeLazy
  81. def setLowercase(value: Boolean): Normalizer.this.type

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    Lowercase tokens, default true

  82. final def setOutputCol(value: String): Normalizer.this.type

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    Overrides annotation column name when transforming

    Overrides annotation column name when transforming

    Definition Classes
    HasOutputAnnotationCol
  83. def setSlangDictionary(path: String, delimiter: String, readAs: Format = ReadAs.TEXT, options: Map[String, String] = Map("format" -> "text")): Normalizer.this.type

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    Txt file with delimited words to be transformed into something else

  84. def setSlangDictionary(value: ExternalResource): Normalizer.this.type

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    Txt file with delimited words to be transformed into something else

  85. def setSlangMatchCase(value: Boolean): Normalizer.this.type

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    Whether to convert string to lowercase or not while checking

  86. val slangDictionary: ExternalResourceParam

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    delimited file with list of custom words to be manually corrected

  87. val slangMatchCase: BooleanParam

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    whether or not to be case sensitive to match slangs.

    whether or not to be case sensitive to match slangs. Defaults to false.

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

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    Definition Classes
    AnyRef
  89. def toString(): String

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    Definition Classes
    Identifiable → AnyRef → Any
  90. def train(dataset: Dataset[_], recursivePipeline: Option[PipelineModel]): NormalizerModel

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    Definition Classes
    NormalizerAnnotatorApproach
  91. 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
    AnnotatorApproach → PipelineStage
  92. def transformSchema(schema: StructType, logging: Boolean): StructType

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

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    required internal uid for saving annotator

    required internal uid for saving annotator

    Definition Classes
    Normalizer → Identifiable
  94. 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
    AnnotatorApproach
  95. final def wait(): Unit

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

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  98. def write: MLWriter

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    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from CanBeLazy

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from HasOutputAnnotatorType

Inherited from HasOutputAnnotationCol

Inherited from HasInputAnnotationCols

Inherited from Estimator[NormalizerModel]

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