DataSet (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

All Known Implementing Classes:

ByteWeightedArrayDataSet, DoubleWeightedDataSet, SimilarityQueryAdapter
```
public interface DataSet
```
API to plug in custom data representations into libSVM.

Since:

0.8.0

Author:

Erich Schubert

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`classnum(int i)`	Get the class number of the ith element.
`double`	`similarity(int i, int j)`	Get the ith element.
`int`	`size()`	Size of data set.
`void`	`swap(int i, int j)`	Swap two elements.
`double`	`value(int i)`	Get the value of the ith element.

- Method Detail
  - size
```
int size()
```
    Size of data set.
    
    Returns:
    
    Data set size.
  - similarity
```
double similarity(int i,
                  int j)
```
    Get the ith element.
    
    Parameters:
    
    i - Element offset
    
    j - Element offset
    
    Returns:
    
    Element
  - value
```
double value(int i)
```
    Get the value of the ith element.
    
    Parameters:
    
    i - Element offset
    
    Returns:
    
    Value
  - classnum
```
int classnum(int i)
```
    Get the class number of the ith element.
    
    Parameters:
    
    i - Element offset
    
    Returns:
    
    Class number
  - swap
```
void swap(int i,
          int j)
```
    Swap two elements.
    
    Parameters:
    
    i - First position
    
    j - Second position