AttributeGroup

Instance Constructors

new AttributeGroup(name: String, attrs: Array[Attribute])

Creates an attribute group with attributes.
Creates an attribute group with attributes.
name
name of the attribute group
attrs
array of attributes. Attributes will be copied with their corresponding indices in the array.
new AttributeGroup(name: String, numAttributes: Int)

Creates an attribute group knowing only the number of attributes.
Creates an attribute group knowing only the number of attributes.
name
name of the attribute group
numAttributes
number of attributes
new AttributeGroup(name: String)

Creates an attribute group without attribute info.
Creates an attribute group without attribute info.
name
name of the attribute group

Value Members

final def !=(arg0: Any): Boolean

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

Definition Classes
AnyRef → Any
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
def apply(attrIndex: Int): Attribute

Gets an attribute by its index.
def apply(attrName: String): Attribute

Gets an attribute by its name.
final def asInstanceOf[T0]: T0

Definition Classes
Any
val attributes: Option[Array[Attribute]]

Optional array of attributes.
Optional array of attributes. At most one of numAttributes and attributes can be defined.
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(other: Any): Boolean

Definition Classes
AttributeGroup → AnyRef → Any
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
def getAttr(attrIndex: Int): Attribute

Gets an attribute by its index.
def getAttr(attrName: String): Attribute

Gets an attribute by its name.
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def hasAttr(attrName: String): Boolean

Test whether this attribute group contains a specific attribute.
def hashCode(): Int

Definition Classes
AttributeGroup → AnyRef → Any
def indexOf(attrName: String): Int

Index of an attribute specified by name.
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
val name: String

name of the attribute group (the ML column name)
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
final def notifyAll(): Unit

Definition Classes
AnyRef
val numAttributes: Option[Int]

optional number of attributes.
optional number of attributes. At most one of numAttributes and attrs can be defined.
def size: Int

Size of the attribute group.
Size of the attribute group. Returns -1 if the size is unknown.
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toMetadata(): Metadata

Converts to ML metadata
def toMetadata(existingMetadata: Metadata): Metadata

Converts to ML metadata with some existing metadata.
def toString(): String

Definition Classes
AttributeGroup → AnyRef → Any
def toStructField(): StructField

Converts to a StructField.
def toStructField(existingMetadata: Metadata): StructField

Converts to a StructField with some existing metadata.
final def wait(): Unit

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

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

Definition Classes
AnyRef
Annotations
@throws( ... )

Related Docs: object AttributeGroup | package attribute

class AttributeGroup extends Serializable

Instance Constructors

new AttributeGroup(name: String, attrs: Array[Attribute])

new AttributeGroup(name: String, numAttributes: Int)

new AttributeGroup(name: String)

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

def apply(attrIndex: Int): Attribute

def apply(attrName: String): Attribute

final def asInstanceOf[T0]: T0

val attributes: Option[Array[Attribute]]

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(other: Any): Boolean

def finalize(): Unit

def getAttr(attrIndex: Int): Attribute

def getAttr(attrName: String): Attribute

final def getClass(): Class[_]

def hasAttr(attrName: String): Boolean

def hashCode(): Int

def indexOf(attrName: String): Int

final def isInstanceOf[T0]: Boolean

val name: String

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val numAttributes: Option[Int]

def size: Int

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

def toMetadata(): Metadata

def toMetadata(existingMetadata: Metadata): Metadata

def toString(): String

def toStructField(): StructField

def toStructField(existingMetadata: Metadata): StructField

final def wait(): Unit

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

final def wait(arg0: Long): Unit

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Members