org.apache.spark.ml.odkl

ColumnsExtractor

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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Instance Constructors

  1. new ColumnsExtractor()

  2. new ColumnsExtractor(uid: String)

Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def $[T](param: Param[T]): T

    Attributes
    protected
    Definition Classes
    Params

  5. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

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

    Definition Classes
    Params

  9. def clone(): AnyRef

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

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

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

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

    Definition Classes
    ColumnsExtractor → Transformer → PipelineStage → Params

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

    Attributes
    protected
    Definition Classes
    Params

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

    Attributes
    protected
    Definition Classes
    Params

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

    Definition Classes
    AnyRef

  16. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    Params

  18. def explainParams(): String

    Definition Classes
    Params

  19. final def extractParamMap(): ParamMap

    Definition Classes
    Params

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

    Definition Classes
    Params

  21. def finalize(): Unit

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

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

    Definition Classes
    Params

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

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    Params

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

    Definition Classes
    Params

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

    Definition Classes
    Params

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

    Definition Classes
    Params

  28. def hasParam(paramName: String): Boolean

    Definition Classes
    Params

  29. def hashCode(): Int

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    Params

  31. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

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

    Definition Classes
    Params

  33. def isTraceEnabled(): Boolean

    Attributes
    protected
    Definition Classes
    Logging

  34. def log: Logger

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

  41. def logName: String

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Attributes
    protected
    Definition Classes
    Logging

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

    Definition Classes
    AnyRef

  47. final def notify(): Unit

    Definition Classes
    AnyRef

  48. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    Params

  50. def save(path: String): Unit

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

  51. def select(dataset: DataFrame): DataFrame

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

    Attributes
    protected
    Definition Classes
    Params

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

    Attributes
    protected
    Definition Classes
    Params

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

    Definition Classes
    Params

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

    Attributes
    protected
    Definition Classes
    Params

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

    Attributes
    protected
    Definition Classes
    Params

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

    Definition Classes
    AnyRef

  58. def toString(): String

    Definition Classes
    Identifiable → AnyRef → Any

  59. def transform(dataset: DataFrame): DataFrame

    Definition Classes
    ColumnsExtractor → Transformer

  60. def transform(dataset: DataFrame, paramMap: ParamMap): DataFrame

    Definition Classes
    Transformer

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

    Definition Classes
    Transformer
    Annotations
    @varargs()

  62. def transformSchema(schema: StructType): StructType

    Definition Classes
    ColumnsExtractor → PipelineStage
    Annotations
    @DeveloperApi()

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

    Attributes
    protected
    Definition Classes
    PipelineStage
    Annotations
    @DeveloperApi()

  64. val uid: String

    Definition Classes
    ColumnsExtractor → Identifiable

  65. def validateParams(): Unit

    Definition Classes
    Params

  66. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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

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

  72. def write: MLWriter

    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