Class/Object

com.microsoft.ml.spark

SelectColumns

Related Docs: object SelectColumns | package spark

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class SelectColumns extends Transformer with MMLParams

SelectColumns takes a dataframe and a list of columns to select as input and returns a dataframe comprised of only those columns listed in the input list.

The columns to be selected is a list of column names

Linear Supertypes
MMLParams, DefaultParamsWritable, MLWritable, Wrappable, Transformer, PipelineStage, org.apache.spark.internal.Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. SelectColumns
  2. MMLParams
  3. DefaultParamsWritable
  4. MLWritable
  5. Wrappable
  6. Transformer
  7. PipelineStage
  8. Logging
  9. Params
  10. Serializable
  11. Serializable
  12. Identifiable
  13. AnyRef
  14. Any
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Visibility
  1. Public
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Instance Constructors

  1. new SelectColumns()

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  2. new SelectColumns(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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    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 BooleanParam(i: Identifiable, name: String, description: String, default: Boolean): BooleanParam

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    Definition Classes
    Wrappable

  6. def BooleanParam(i: Identifiable, name: String, description: String): BooleanParam

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    Definition Classes
    Wrappable

  7. def DoubleParam(i: Identifiable, name: String, description: String, default: Double): DoubleParam

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    Definition Classes
    Wrappable

  8. def DoubleParam(i: Identifiable, name: String, description: String): DoubleParam

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    Definition Classes
    Wrappable

  9. def IntParam(i: Identifiable, name: String, description: String, validation: (Int) ⇒ Boolean): IntParam

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    Definition Classes
    Wrappable

  10. def IntParam(i: Identifiable, name: String, description: String, default: Int): IntParam

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    Definition Classes
    Wrappable

  11. def IntParam(i: Identifiable, name: String, description: String): IntParam

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    Definition Classes
    Wrappable

  12. def LongParam(i: Identifiable, name: String, description: String, default: Long): LongParam

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    Definition Classes
    Wrappable

  13. def LongParam(i: Identifiable, name: String, description: String): LongParam

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    Definition Classes
    Wrappable

  14. def StringParam(i: Identifiable, name: String, description: String, default: String, domain: Seq[String]): Param[String]

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    Definition Classes
    Wrappable

  15. def StringParam(i: Identifiable, name: String, description: String, default: String): Param[String]

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    Definition Classes
    Wrappable

  16. def StringParam(i: Identifiable, name: String, description: String, validation: (String) ⇒ Boolean): Param[String]

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    Definition Classes
    Wrappable

  17. def StringParam(i: Identifiable, name: String, description: String): Param[String]

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    Definition Classes
    Wrappable

  18. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  19. def chainedUid(origin: String): String

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    Definition Classes
    Wrappable

  20. final def clear(param: Param[_]): SelectColumns.this.type

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    Definition Classes
    Params

  21. def clone(): AnyRef

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

  22. val cols: StringArrayParam

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  23. def copy(extra: ParamMap): SelectColumns

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    Definition Classes
    SelectColumns → Transformer → PipelineStage → Params

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

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    Attributes
    protected
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    Params

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

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    Attributes
    protected
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    Params

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

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    Definition Classes
    AnyRef

  27. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

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

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    Definition Classes
    Params

  29. def explainParams(): String

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    Definition Classes
    Params

  30. final def extractParamMap(): ParamMap

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    Definition Classes
    Params

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

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    Definition Classes
    Params

  32. def finalize(): Unit

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

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

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    Definition Classes
    Params

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

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    Definition Classes
    AnyRef → Any

  35. final def getCols: Array[String]

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

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    Definition Classes
    Params

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

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    Definition Classes
    Params

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

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    Definition Classes
    Params

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

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    Definition Classes
    Params

  40. def hasParam(paramName: String): Boolean

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    Definition Classes
    Params

  41. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

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

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    Attributes
    protected
    Definition Classes
    Logging

  43. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
    protected
    Definition Classes
    Logging

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

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    Definition Classes
    Params

  45. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

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

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    Definition Classes
    Params

  47. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging

  48. def log: Logger

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    Attributes
    protected
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    Logging

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

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    Attributes
    protected
    Definition Classes
    Logging

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

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    Attributes
    protected
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    Attributes
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    Logging

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

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    Attributes
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    Logging

  55. def logName: String

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    protected
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    Logging

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

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    Attributes
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    Definition Classes
    AnyRef

  61. final def notify(): Unit

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    Definition Classes
    AnyRef

  62. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  63. val paramDomains: Map[String, Seq[String]]

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    Definition Classes
    Wrappable

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

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    Definition Classes
    Params

  65. def save(path: String): Unit

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

  66. final def set(paramPair: ParamPair[_]): SelectColumns.this.type

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    Attributes
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  67. final def set(param: String, value: Any): SelectColumns.this.type

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    Attributes
    protected
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    Params

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

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    Definition Classes
    Params

  69. def setCol(value: String): SelectColumns.this.type

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  70. def setCols(value: Array[String]): SelectColumns.this.type

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  71. final def setDefault(paramPairs: ParamPair[_]*): SelectColumns.this.type

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    Attributes
    protected
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    Params

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

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    Attributes
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    Params

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

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    Definition Classes
    AnyRef

  74. def toString(): String

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    Definition Classes
    Identifiable → AnyRef → Any

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

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    dataset

    - The input dataset, to be transformed

    returns

    The DataFrame that results from column selection

    Definition Classes
    SelectColumns → Transformer

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

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    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" )

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

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

  78. def transformSchema(schema: StructType): StructType

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    Definition Classes
    SelectColumns → PipelineStage

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

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    Attributes
    protected
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    PipelineStage
    Annotations
    @DeveloperApi()

  80. val uid: String

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    Definition Classes
    SelectColumns → Identifiable

  81. final def wait(): Unit

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    Definition Classes
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    @throws( ... )

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

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    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  84. def write: MLWriter

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    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from MMLParams

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from Wrappable

Inherited from Transformer

Inherited from PipelineStage

Inherited from org.apache.spark.internal.Logging

Inherited from Params

Inherited from Serializable

Inherited from Serializable

Inherited from Identifiable

Inherited from AnyRef

Inherited from Any

Parameter setters

Parameter getters

Members