class DropColumns extends Transformer with Wrappable with DefaultParamsWritable with BasicLogging

DropColumns takes a dataframe and a list of columns to drop as input and returns a dataframe comprised of only those columns not listed in the input list.

Linear Supertypes
BasicLogging, DefaultParamsWritable, MLWritable, Wrappable, DotnetWrappable, RWrappable, PythonWrappable, BaseWrappable, Transformer, PipelineStage, Logging, Params, Serializable, Serializable, Identifiable, AnyRef, Any
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Inherited
  1. DropColumns
  2. BasicLogging
  3. DefaultParamsWritable
  4. MLWritable
  5. Wrappable
  6. DotnetWrappable
  7. RWrappable
  8. PythonWrappable
  9. BaseWrappable
  10. Transformer
  11. PipelineStage
  12. Logging
  13. Params
  14. Serializable
  15. Serializable
  16. Identifiable
  17. AnyRef
  18. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new DropColumns()
  2. new DropColumns(uid: String)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def $[T](param: Param[T]): T
    Attributes
    protected
    Definition Classes
    Params
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. lazy val classNameHelper: String
    Attributes
    protected
    Definition Classes
    BaseWrappable
  7. final def clear(param: Param[_]): DropColumns.this.type
    Definition Classes
    Params
  8. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  9. val cols: StringArrayParam
  10. def companionModelClassName: String
    Attributes
    protected
    Definition Classes
    BaseWrappable
  11. def copy(extra: ParamMap): DropColumns
    Definition Classes
    DropColumns → Transformer → PipelineStage → Params
  12. def copyValues[T <: Params](to: T, extra: ParamMap): T
    Attributes
    protected
    Definition Classes
    Params
  13. lazy val copyrightLines: String
    Attributes
    protected
    Definition Classes
    BaseWrappable
  14. final def defaultCopy[T <: Params](extra: ParamMap): T
    Attributes
    protected
    Definition Classes
    Params
  15. def dotnetAdditionalMethods: String
    Definition Classes
    DotnetWrappable
  16. def dotnetClass(): String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  17. lazy val dotnetClassName: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  18. lazy val dotnetClassNameString: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  19. lazy val dotnetClassWrapperName: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  20. lazy val dotnetCopyrightLines: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  21. def dotnetExtraEstimatorImports: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  22. def dotnetExtraMethods: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  23. lazy val dotnetInternalWrapper: Boolean
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  24. def dotnetMLReadWriteMethods: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  25. lazy val dotnetNamespace: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  26. lazy val dotnetObjectBaseClass: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  27. def dotnetParamGetter(p: Param[_]): String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  28. def dotnetParamGetters: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  29. def dotnetParamSetter(p: Param[_]): String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  30. def dotnetParamSetters: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  31. def dotnetWrapAsTypeMethod: String
    Attributes
    protected
    Definition Classes
    DotnetWrappable
  32. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  33. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  34. def explainParam(param: Param[_]): String
    Definition Classes
    Params
  35. def explainParams(): String
    Definition Classes
    Params
  36. final def extractParamMap(): ParamMap
    Definition Classes
    Params
  37. final def extractParamMap(extra: ParamMap): ParamMap
    Definition Classes
    Params
  38. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  39. final def get[T](param: Param[T]): Option[T]
    Definition Classes
    Params
  40. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  41. final def getCols: Array[String]

  42. final def getDefault[T](param: Param[T]): Option[T]
    Definition Classes
    Params
  43. final def getOrDefault[T](param: Param[T]): T
    Definition Classes
    Params
  44. def getParam(paramName: String): Param[Any]
    Definition Classes
    Params
  45. def getParamInfo(p: Param[_]): ParamInfo[_]
    Definition Classes
    BaseWrappable
  46. final def hasDefault[T](param: Param[T]): Boolean
    Definition Classes
    Params
  47. def hasParam(paramName: String): Boolean
    Definition Classes
    Params
  48. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  49. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  50. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  51. final def isDefined(param: Param[_]): Boolean
    Definition Classes
    Params
  52. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  53. final def isSet(param: Param[_]): Boolean
    Definition Classes
    Params
  54. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  55. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  56. def logBase(methodName: String): Unit
    Attributes
    protected
    Definition Classes
    BasicLogging
  57. def logClass(): Unit
    Definition Classes
    BasicLogging
  58. def logDebug(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  59. def logDebug(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  60. def logError(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  61. def logError(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  62. def logErrorBase(methodName: String, e: Exception): Unit
    Attributes
    protected
    Definition Classes
    BasicLogging
  63. def logFit[T](f: ⇒ T): T
    Definition Classes
    BasicLogging
  64. def logInfo(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  65. def logInfo(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  66. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  67. def logPredict[T](f: ⇒ T): T
    Definition Classes
    BasicLogging
  68. def logTrace(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  69. def logTrace(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  70. def logTrain[T](f: ⇒ T): T
    Definition Classes
    BasicLogging
  71. def logTransform[T](f: ⇒ T): T
    Definition Classes
    BasicLogging
  72. def logVerb[T](verb: String, f: ⇒ T): T
    Definition Classes
    BasicLogging
  73. def logWarning(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  74. def logWarning(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  75. def makeDotnetFile(conf: CodegenConfig): Unit
    Definition Classes
    DotnetWrappable
  76. def makePyFile(conf: CodegenConfig): Unit
    Definition Classes
    PythonWrappable
  77. def makeRFile(conf: CodegenConfig): Unit
    Definition Classes
    RWrappable
  78. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  79. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  80. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  81. lazy val params: Array[Param[_]]
    Definition Classes
    Params
  82. def pyAdditionalMethods: String
    Definition Classes
    PythonWrappable
  83. lazy val pyClassDoc: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  84. lazy val pyClassName: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  85. def pyExtraEstimatorImports: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  86. def pyExtraEstimatorMethods: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  87. lazy val pyInheritedClasses: Seq[String]
    Attributes
    protected
    Definition Classes
    PythonWrappable
  88. def pyInitFunc(): String
    Definition Classes
    PythonWrappable
  89. lazy val pyInternalWrapper: Boolean
    Attributes
    protected
    Definition Classes
    PythonWrappable
  90. lazy val pyObjectBaseClass: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  91. def pyParamArg[T](p: Param[T]): String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  92. def pyParamDefault[T](p: Param[T]): Option[String]
    Attributes
    protected
    Definition Classes
    PythonWrappable
  93. def pyParamGetter(p: Param[_]): String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  94. def pyParamSetter(p: Param[_]): String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  95. def pyParamsArgs: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  96. def pyParamsDefaults: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  97. lazy val pyParamsDefinitions: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  98. def pyParamsGetters: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  99. def pyParamsSetters: String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  100. def pythonClass(): String
    Attributes
    protected
    Definition Classes
    PythonWrappable
  101. def rClass(): String
    Attributes
    protected
    Definition Classes
    RWrappable
  102. def rDocString: String
    Attributes
    protected
    Definition Classes
    RWrappable
  103. def rExtraBodyLines: String
    Attributes
    protected
    Definition Classes
    RWrappable
  104. def rExtraInitLines: String
    Attributes
    protected
    Definition Classes
    RWrappable
  105. lazy val rFuncName: String
    Attributes
    protected
    Definition Classes
    RWrappable
  106. lazy val rInternalWrapper: Boolean
    Attributes
    protected
    Definition Classes
    RWrappable
  107. def rParamArg[T](p: Param[T]): String
    Attributes
    protected
    Definition Classes
    RWrappable
  108. def rParamsArgs: String
    Attributes
    protected
    Definition Classes
    RWrappable
  109. def rSetterLines: String
    Attributes
    protected
    Definition Classes
    RWrappable
  110. def save(path: String): Unit
    Definition Classes
    MLWritable
    Annotations
    @Since( "1.6.0" ) @throws( ... )
  111. final def set(paramPair: ParamPair[_]): DropColumns.this.type
    Attributes
    protected
    Definition Classes
    Params
  112. final def set(param: String, value: Any): DropColumns.this.type
    Attributes
    protected
    Definition Classes
    Params
  113. final def set[T](param: Param[T], value: T): DropColumns.this.type
    Definition Classes
    Params
  114. def setCol(value: String): DropColumns.this.type
  115. def setCols(value: Array[String]): DropColumns.this.type

  116. final def setDefault(paramPairs: ParamPair[_]*): DropColumns.this.type
    Attributes
    protected
    Definition Classes
    Params
  117. final def setDefault[T](param: Param[T], value: T): DropColumns.this.type
    Attributes
    protected
    Definition Classes
    Params
  118. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  119. val thisStage: Params
    Attributes
    protected
    Definition Classes
    BaseWrappable
  120. def toString(): String
    Definition Classes
    Identifiable → AnyRef → Any
  121. def transform(dataset: Dataset[_]): DataFrame

    dataset

    - The input dataset, to be transformed

    returns

    The DataFrame that results from column selection

    Definition Classes
    DropColumns → Transformer
  122. def transform(dataset: Dataset[_], paramMap: ParamMap): DataFrame
    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" )
  123. def transform(dataset: Dataset[_], firstParamPair: ParamPair[_], otherParamPairs: ParamPair[_]*): DataFrame
    Definition Classes
    Transformer
    Annotations
    @Since( "2.0.0" ) @varargs()
  124. def transformSchema(schema: StructType): StructType
    Definition Classes
    DropColumns → PipelineStage
  125. def transformSchema(schema: StructType, logging: Boolean): StructType
    Attributes
    protected
    Definition Classes
    PipelineStage
    Annotations
    @DeveloperApi()
  126. val uid: String
    Definition Classes
    DropColumnsBasicLogging → Identifiable
  127. val ver: String
    Definition Classes
    BasicLogging
  128. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  129. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  130. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  131. def write: MLWriter
    Definition Classes
    DefaultParamsWritable → MLWritable

Inherited from BasicLogging

Inherited from DefaultParamsWritable

Inherited from MLWritable

Inherited from Wrappable

Inherited from DotnetWrappable

Inherited from RWrappable

Inherited from PythonWrappable

Inherited from BaseWrappable

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