Class/Object

org.apache.spark.ml.odkl

ColumnsExtractor

Related Docs: object ColumnsExtractor | package odkl

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class ColumnsExtractor extends Transformer with DefaultParamsWritable

Used to extract a set of columns from the underlying data frame based on names and/or SQL expresions.

Linear Supertypes
DefaultParamsWritable, MLWritable, Transformer, PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. ColumnsExtractor
  2. DefaultParamsWritable
  3. MLWritable
  4. Transformer
  5. PipelineStage
  6. Logging
  7. Params
  8. Serializable
  9. Serializable
  10. Identifiable
  11. AnyRef
  12. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ColumnsExtractor()

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  2. new ColumnsExtractor(uid: String)

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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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    protected
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    Params

  4. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  6. final def clear(param: Param[_]): ColumnsExtractor.this.type

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    Definition Classes
    Params

  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. val columnMetadata: Param[Map[String, Metadata]]

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  9. val columnStatements: Param[Seq[(String, String)]]

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  10. def copy(extra: ParamMap): ColumnsExtractor.this.type

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    Definition Classes
    ColumnsExtractor → Transformer → PipelineStage → Params

  11. def copyValues[T <: Params](to: T, extra: ParamMap): T

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    Attributes
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    Params

  12. final def defaultCopy[T <: Params](extra: ParamMap): T

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    Params

  13. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  14. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  15. def explainParam(param: Param[_]): String

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    Definition Classes
    Params

  16. def explainParams(): String

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    Definition Classes
    Params

  17. final def extractParamMap(): ParamMap

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    Params

  18. final def extractParamMap(extra: ParamMap): ParamMap

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  19. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  20. final def get[T](param: Param[T]): Option[T]

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  21. final def getClass(): Class[_]

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

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

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  24. def getParam(paramName: String): Param[Any]

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    Definition Classes
    Params

  25. def getSaveInputCols: Boolean

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

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  27. def hasParam(paramName: String): Boolean

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    Definition Classes
    Params

  28. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  29. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean

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    Attributes
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    Logging

  30. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Logging

  31. final def isDefined(param: Param[_]): Boolean

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  32. final def isInstanceOf[T0]: Boolean

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  33. final def isSet(param: Param[_]): Boolean

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  34. def isTraceEnabled(): Boolean

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    protected
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    Logging

  35. def log: Logger

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    Logging

  36. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  37. def logDebug(msg: ⇒ String): Unit

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  38. def logError(msg: ⇒ String, throwable: Throwable): Unit

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  39. def logError(msg: ⇒ String): Unit

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  40. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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  41. def logInfo(msg: ⇒ String): Unit

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  42. def logName: String

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    Logging

  43. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  44. def logTrace(msg: ⇒ String): Unit

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    Logging

  45. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Logging

  46. def logWarning(msg: ⇒ String): Unit

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    Logging

  47. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  48. final def notify(): Unit

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    Definition Classes
    AnyRef

  49. final def notifyAll(): Unit

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  50. lazy val params: Array[Param[_]]

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    Definition Classes
    Params

  51. def save(path: String): Unit

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    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )

  52. val saveInputColumns: BooleanParam

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  53. def select(dataset: DataFrame): DataFrame

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  54. final def set(paramPair: ParamPair[_]): ColumnsExtractor.this.type

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  55. final def set(param: String, value: Any): ColumnsExtractor.this.type

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  56. final def set[T](param: Param[T], value: T): ColumnsExtractor.this.type

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  57. final def setDefault(paramPairs: ParamPair[_]*): ColumnsExtractor.this.type

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  58. final def setDefault[T](param: Param[T], value: T): ColumnsExtractor.this.type

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  59. def setSaveInputCols(value: Boolean): ColumnsExtractor.this.type

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

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    Definition Classes
    AnyRef

  61. def toString(): String

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    Identifiable → AnyRef → Any

  62. def transform(dataset: Dataset[_]): DataFrame

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    Definition Classes
    ColumnsExtractor → Transformer

  63. def transform(dataset: Dataset[_], paramMap: ParamMap): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" )

  64. def transform(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): DataFrame

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" ) @varargs()

  65. def transformSchema(schema: StructType): StructType

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    Definition Classes
    ColumnsExtractor → PipelineStage
    Annotations
    @DeveloperApi()

  66. def transformSchema(schema: StructType, logging: Boolean): StructType

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    Attributes
    protected
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    PipelineStage
    Annotations
    @DeveloperApi()

  67. val uid: String

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    Definition Classes
    ColumnsExtractor → Identifiable

  68. final def wait(): Unit

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    @throws( ... )

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

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    @throws( ... )

  70. final def wait(arg0: Long): Unit

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    @throws( ... )

  71. def withColumn(column: String, expression: String, metadata: Metadata): ColumnsExtractor.this.type

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  72. def withColumns(columns: String*): ColumnsExtractor.this.type

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  73. def withExpresions(columns: (String, String)*): ColumnsExtractor.this.type

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  74. def write: MLWriter

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    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from DefaultParamsWritable

Inherited from MLWritable

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

Ungrouped