Field

abstract def dataType: DataType

Returns the data type of field.

abstract def fieldType: FieldType

Field type.

abstract def get(series: Series): Any

Retrieve its value from the specified series, return null if missing

abstract def index_=(i: Int): Unit

Sets the index of this field.

abstract def name: String

Name of the field.

abstract def opType: OpType

Operational type.

abstract def referenced_=(r: Boolean): Unit

Sets the referenced flag of the field.

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

def accepts(other: DataType): Boolean

Returns true if other is an acceptable input type for a function that expects this.

final def asInstanceOf[T0]: T0

def attrType: AttributeType

Attribute type.

def attribute: Attribute

Attribute of the field.

def clone(): AnyRef

def decode(index: Int): Any

def displayName: Option[String]

Display name of the field.

def encode(value: Any): Double

def encode(series: Series): Double

Encodes the value of the field in the input series.

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def getDouble(series: Series): Double

Retrieve its value as double from the specified series, return Double.NaN if missing.

def getLabel(value: Any): Option[String]

def hashCode(): Int

def index: Int

Index of the field in the input series.

def indexDefined: Boolean

Tests if the index of this field is defined

def intervals: Array[Interval]

def invalidValues: Set[Any]

def isBinary: Boolean

Tests whether this field is binary, that is categorical and it contains exactly two valid values.

def isCategorical: Boolean

Tests whether this field is categorical (nominal or ordinal).

def isContinuous: Boolean

Tests whether this field is continuous.

def isDataField: Boolean

Tests if the field is a data field.

def isDate: Boolean

def isDateTime: Boolean

def isDerivedField: Boolean

Tests if the field is a derived field.

def isDouble: Boolean

def isFloat: Boolean

def isIn(value: Any): Boolean

final def isInstanceOf[T0]: Boolean

def isInvalidValue(value: Any): Boolean

def isMissing(series: Series): Boolean

Tests if its value is missing from the specified series.

def isMissingValue(value: Any): Boolean

def isMutable: Boolean

def isNominal: Boolean

Tests whether this field is nominal.

def isNumeric: Boolean

def isOrdinal: Boolean

Tests whether this field is ordinal.

def isReal: Boolean

def isString: Boolean

def isSysMissing(value: Any): Boolean

def isTime: Boolean

def isTimestamp: Boolean

def isValidValue(value: Any): Boolean

def labels: Map[Any, String]

def missingValues: Set[Any]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def numCategories: Int

def referenced: Boolean

Tests if the field is referenced in the model element.

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

def toAttribute: Attribute

def toImmutable(): Field

Converts to an immutable attribute if it's mutable.

def toString(): String

def toVal(s: String): Any

Converts a string to the corresponding value based on its data type.

def toValOption(s: String): Option[Any]

Converts a string to the corresponding value based on its data type.

def validValues: Array[Any]

def valuesAsString: String

final def wait(): Unit

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

final def wait(arg0: Long): Unit