DatasetRow (GridGain 8.9.5)

java.lang.Object
- org.apache.ignite.ml.structures.DatasetRow<V>

All Implemented Interfaces:

Externalizable, Serializable

Direct Known Subclasses:

LabeledVector
```
public class DatasetRow<V extends Vector>
extends Object
implements Serializable, Externalizable
```
Class to keep one observation in dataset. This is a base class for labeled and unlabeled rows.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

protected V vector
Vector.

Fields
Modifier and Type	Field and Description
`protected V`	`vector` Vector.

Constructor Summary

Constructors
Constructor and Description

DatasetRow()
Default constructor (required by Externalizable).

DatasetRow(V vector)

Constructors
Constructor and Description
`DatasetRow()` Default constructor (required by Externalizable).
`DatasetRow(V vector)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object o)`
`V`	`features()` Get the vector.
`double`	`get(int idx)` Gets the value at specified index.
`Serializable`	`getRaw(int idx)` Gets the value at specified index.
`int`	`hashCode()`
`void`	`readExternal(ObjectInput in)`
`void`	`set(int idx, double val)` Sets value.
`int`	`size()` Gets cardinality of dataset row (maximum number of the elements).
`void`	`writeExternal(ObjectOutput out)`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - vector
```
protected V extends Vector vector
```
    Vector.
- Constructor Detail
  - DatasetRow
```
public DatasetRow()
```
    Default constructor (required by Externalizable).
  - DatasetRow
```
public DatasetRow(V vector)
```
- Method Detail
  - features
```
public V features()
```
    Get the vector.
    
    Returns:
    
    Vector.
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - writeExternal
```
public void writeExternal(ObjectOutput out)
                   throws IOException
```
    Specified by:
    
    writeExternal in interface Externalizable
    
    Throws:
    
    IOException
  - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
```
    Specified by:
    
    readExternal in interface Externalizable
    
    Throws:
    
    IOException
    
    ClassNotFoundException
  - size
```
public int size()
```
    Gets cardinality of dataset row (maximum number of the elements).
    
    Returns:
    
    This dataset row's cardinality.
  - get
```
public double get(int idx)
```
    Gets the value at specified index.
    
    Parameters:
    
    idx - DatasetRow index.
    
    Returns:
    
    DatasetRow value.
    
    Throws:
    
    IndexException - Throw if index is out of bounds.
  - getRaw
```
public Serializable getRaw(int idx)
```
    Gets the value at specified index.
    
    Parameters:
    
    idx - DatasetRow index.
    
    Returns:
    
    DatasetRow value.
    
    Throws:
    
    IndexException - Throw if index is out of bounds.
  - set
```
public void set(int idx,
                double val)
```
    Sets value.
    
    Parameters:
    
    idx - Dataset row index to set value at.
    
    val - Value to set.
    
    Throws:
    
    IndexException - Throw if index is out of bounds.

Class DatasetRow<V extends Vector>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

vector

Constructor Detail

DatasetRow

DatasetRow

Method Detail

features

equals

hashCode

writeExternal

readExternal

size

get

getRaw

set