NumericAttribute (Spark 2.1.3 JavaDoc)

Object
- org.apache.spark.ml.attribute.Attribute
- - org.apache.spark.ml.attribute.NumericAttribute

All Implemented Interfaces:

java.io.Serializable
```
public class NumericAttribute
extends Attribute
```
:: DeveloperApi :: A numeric attribute with optional summary statistics. param: name optional name param: index optional index param: min optional min value param: max optional max value param: std optional standard deviation param: sparsity optional sparsity (ratio of zeros)

See Also:
Serialized Form

Method Summary

Methods
Modifier and Type	Method and Description
`AttributeType`	`attrType()` Attribute type.
`static NumericAttribute`	`defaultAttr()` The default numeric attribute.
`boolean`	`equals(Object other)`
`int`	`hashCode()`
`scala.Option<Object>`	`index()` Index of the attribute.
`boolean`	`isNominal()` Tests whether this attribute is nominal, true for `NominalAttribute` and `BinaryAttribute`.
`boolean`	`isNumeric()` Tests whether this attribute is numeric, true for `NumericAttribute` and `BinaryAttribute`.
`scala.Option<Object>`	`max()`
`scala.Option<Object>`	`min()`
`scala.Option<String>`	`name()` Name of the attribute.
`scala.Option<Object>`	`sparsity()`
`scala.Option<Object>`	`std()`
`static Metadata`	`toMetadata()`
`static Metadata`	`toMetadata(Metadata existingMetadata)`
`static String`	`toString()`
`static StructField`	`toStructField()`
`static StructField`	`toStructField(Metadata existingMetadata)`
`NumericAttribute`	`withIndex(int index)` Copy with a new index.
`NumericAttribute`	`withMax(double max)` Copy with a new max value.
`NumericAttribute`	`withMin(double min)` Copy with a new min value.
`NumericAttribute`	`withName(String name)` Copy with a new name.
`NumericAttribute`	`withoutIndex()` Copy without the index.
`NumericAttribute`	`withoutMax()` Copy without the max value.
`NumericAttribute`	`withoutMin()` Copy without the min value.
`NumericAttribute`	`withoutName()` Copy without the name.
`NumericAttribute`	`withoutSparsity()` Copy without the sparsity.
`NumericAttribute`	`withoutStd()` Copy without the standard deviation.
`NumericAttribute`	`withoutSummary()` Copy without summary statistics.
`NumericAttribute`	`withSparsity(double sparsity)` Copy with a new sparsity.
`NumericAttribute`	`withStd(double std)` Copy with a new standard deviation.

Methods inherited from class org.apache.spark.ml.attribute.Attribute
toMetadata, toMetadata, toString, toStructField, toStructField

Methods inherited from class Object
getClass, notify, notifyAll, wait, wait, wait

- Method Detail
  - defaultAttr
```
public static NumericAttribute defaultAttr()
```
    The default numeric attribute.
  - toMetadata
```
public static Metadata toMetadata(Metadata existingMetadata)
```
  - toMetadata
```
public static Metadata toMetadata()
```
  - toStructField
```
public static StructField toStructField(Metadata existingMetadata)
```
  - toStructField
```
public static StructField toStructField()
```
  - toString
```
public static String toString()
```
  - name
```
public scala.Option<String> name()
```
    Description copied from class: Attribute
    
    Name of the attribute. None if it is not set.
    
    Specified by:
    
    name in class Attribute
  - index
```
public scala.Option<Object> index()
```
    Description copied from class: Attribute
    
    Index of the attribute. None if it is not set.
    
    Specified by:
    
    index in class Attribute
  - min
```
public scala.Option<Object> min()
```
  - max
```
public scala.Option<Object> max()
```
  - std
```
public scala.Option<Object> std()
```
  - sparsity
```
public scala.Option<Object> sparsity()
```
  - attrType
```
public AttributeType attrType()
```
    Description copied from class: Attribute
    
    Attribute type.
    
    Specified by:
    
    attrType in class Attribute
  - withName
```
public NumericAttribute withName(String name)
```
    Description copied from class: Attribute
    
    Copy with a new name.
    
    Specified by:
    
    withName in class Attribute
  - withoutName
```
public NumericAttribute withoutName()
```
    Description copied from class: Attribute
    
    Copy without the name.
    
    Specified by:
    
    withoutName in class Attribute
  - withIndex
```
public NumericAttribute withIndex(int index)
```
    Description copied from class: Attribute
    
    Copy with a new index.
    
    Specified by:
    
    withIndex in class Attribute
  - withoutIndex
```
public NumericAttribute withoutIndex()
```
    Description copied from class: Attribute
    
    Copy without the index.
    
    Specified by:
    
    withoutIndex in class Attribute
  - withMin
```
public NumericAttribute withMin(double min)
```
    Copy with a new min value.
  - withoutMin
```
public NumericAttribute withoutMin()
```
    Copy without the min value.
  - withMax
```
public NumericAttribute withMax(double max)
```
    Copy with a new max value.
  - withoutMax
```
public NumericAttribute withoutMax()
```
    Copy without the max value.
  - withStd
```
public NumericAttribute withStd(double std)
```
    Copy with a new standard deviation.
  - withoutStd
```
public NumericAttribute withoutStd()
```
    Copy without the standard deviation.
  - withSparsity
```
public NumericAttribute withSparsity(double sparsity)
```
    Copy with a new sparsity.
  - withoutSparsity
```
public NumericAttribute withoutSparsity()
```
    Copy without the sparsity.
  - withoutSummary
```
public NumericAttribute withoutSummary()
```
    Copy without summary statistics.
  - isNumeric
```
public boolean isNumeric()
```
    Description copied from class: Attribute
    
    Tests whether this attribute is numeric, true for NumericAttribute and BinaryAttribute.
    
    Specified by:
    
    isNumeric in class Attribute
    
    Returns:
    (undocumented)
  - isNominal
```
public boolean isNominal()
```
    Description copied from class: Attribute
    
    Tests whether this attribute is nominal, true for NominalAttribute and BinaryAttribute.
    
    Specified by:
    
    isNominal in class Attribute
    
    Returns:
    (undocumented)
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object

Class NumericAttribute

Method Summary

Methods inherited from class org.apache.spark.ml.attribute.Attribute

Methods inherited from class Object

Method Detail

defaultAttr

toMetadata

toMetadata

toStructField

toStructField

toString

name

index

min

max

std

sparsity

attrType

withName

withoutName

withIndex

withoutIndex

withMin

withoutMin

withMax

withoutMax

withStd

withoutStd

withSparsity

withoutSparsity

withoutSummary

isNumeric

isNominal

equals

hashCode