Class/Object

com.microsoft.ml.spark.stages

SelectColumns

Related Docs: object SelectColumns | package stages

Permalink

class SelectColumns extends Transformer with Wrappable with DefaultParamsWritable

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
DefaultParamsWritable, MLWritable, Wrappable, HasAdditionalPythonMethods, Transformer, PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. SelectColumns
  2. DefaultParamsWritable
  3. MLWritable
  4. Wrappable
  5. HasAdditionalPythonMethods
  6. Transformer
  7. PipelineStage
  8. Logging
  9. Params
  10. Serializable
  11. Serializable
  12. Identifiable
  13. AnyRef
  14. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new SelectColumns()

    Permalink
  2. new SelectColumns(uid: String)

    Permalink

Value Members

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

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

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

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

    Permalink
    Definition Classes
    AnyRef → Any
  5. def additionalPythonMethods(): String

    Permalink
    Definition Classes
    HasAdditionalPythonMethods
  6. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  7. final def clear(param: Param[_]): SelectColumns.this.type

    Permalink
    Definition Classes
    Params
  8. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  9. val cols: StringArrayParam

    Permalink
  10. def copy(extra: ParamMap): SelectColumns

    Permalink
    Definition Classes
    SelectColumns → Transformer → PipelineStage → Params
  11. def copyValues[T <: Params](to: T, extra: ParamMap): T

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

    Permalink
    Attributes
    protected
    Definition Classes
    Params
  13. final def eq(arg0: AnyRef): Boolean

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

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

    Permalink
    Definition Classes
    Params
  16. def explainParams(): String

    Permalink
    Definition Classes
    Params
  17. final def extractParamMap(): ParamMap

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

    Permalink
    Definition Classes
    Params
  19. def finalize(): Unit

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  20. final def get[T](param: Param[T]): Option[T]

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

    Permalink
    Definition Classes
    AnyRef → Any
  22. final def getCols: Array[String]

    Permalink

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

    Permalink
    Definition Classes
    Params
  24. final def getOrDefault[T](param: Param[T]): T

    Permalink
    Definition Classes
    Params
  25. def getParam(paramName: String): Param[Any]

    Permalink
    Definition Classes
    Params
  26. final def hasDefault[T](param: Param[T]): Boolean

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

    Permalink
    Definition Classes
    Params
  28. def hashCode(): Int

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

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

    Permalink
    Attributes
    protected
    Definition Classes
    Logging
  31. final def isDefined(param: Param[_]): Boolean

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

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

    Permalink
    Definition Classes
    Params
  34. def isTraceEnabled(): Boolean

    Permalink
    Attributes
    protected
    Definition Classes
    Logging
  35. def log: Logger

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

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

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

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

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

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

    Permalink
    Attributes
    protected
    Definition Classes
    Logging
  42. def logName: String

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

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

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

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

    Permalink
    Attributes
    protected
    Definition Classes
    Logging
  47. final def ne(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  48. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef
  49. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  50. lazy val params: Array[Param[_]]

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

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

    Permalink
    Attributes
    protected
    Definition Classes
    Params
  53. final def set(param: String, value: Any): SelectColumns.this.type

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

    Permalink
    Definition Classes
    Params
  55. def setCol(value: String): SelectColumns.this.type

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

    Permalink

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

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

    Permalink
    Attributes
    protected
    Definition Classes
    Params
  59. final def synchronized[T0](arg0: ⇒ T0): T0

    Permalink
    Definition Classes
    AnyRef
  60. def toString(): String

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

    Permalink

    dataset

    - The input dataset, to be transformed

    returns

    The DataFrame that results from column selection

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

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

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

    Permalink
    Definition Classes
    SelectColumns → PipelineStage
  65. def transformSchema(schema: StructType, logging: Boolean): StructType

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

    Permalink
    Definition Classes
    SelectColumns → Identifiable
  67. final def wait(): Unit

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

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

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

    Permalink
    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from Wrappable

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

getParam

setParam

Ungrouped