StatisticalCategoryDataset

All Superinterfaces:

CategoryDataset, Dataset, KeyedValues2D, Values2D

All Known Implementing Classes:

DefaultStatisticalCategoryDataset
```
public interface StatisticalCategoryDataset
extends CategoryDataset
```
A category dataset that defines a mean and standard deviation value for each item.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Number`	`getMeanValue(int row, int column)`	Returns the mean value for an item.
`java.lang.Number`	`getMeanValue(java.lang.Comparable rowKey, java.lang.Comparable columnKey)`	Returns the mean value for an item.
`java.lang.Number`	`getStdDevValue(int row, int column)`	Returns the standard deviation value for an item.
`java.lang.Number`	`getStdDevValue(java.lang.Comparable rowKey, java.lang.Comparable columnKey)`	Returns the standard deviation value for an item.

Methods inherited from interface org.jfree.data.general.Dataset
addChangeListener, getGroup, removeChangeListener, setGroup

Methods inherited from interface org.jfree.data.KeyedValues2D
getColumnIndex, getColumnKey, getColumnKeys, getRowIndex, getRowKey, getRowKeys, getValue

Methods inherited from interface org.jfree.data.Values2D
getColumnCount, getRowCount, getValue

- Method Detail
  - getMeanValue
```
java.lang.Number getMeanValue(int row,
                              int column)
```
    Returns the mean value for an item.
    
    Parameters:
    
    row - the row index (zero-based).
    
    column - the column index (zero-based).
    
    Returns:
    
    The mean value (possibly null).
  - getMeanValue
```
java.lang.Number getMeanValue(java.lang.Comparable rowKey,
                              java.lang.Comparable columnKey)
```
    Returns the mean value for an item.
    
    Parameters:
    
    rowKey - the row key.
    
    columnKey - the columnKey.
    
    Returns:
    
    The mean value (possibly null).
  - getStdDevValue
```
java.lang.Number getStdDevValue(int row,
                                int column)
```
    Returns the standard deviation value for an item.
    
    Parameters:
    
    row - the row index (zero-based).
    
    column - the column index (zero-based).
    
    Returns:
    
    The standard deviation (possibly null).
  - getStdDevValue
```
java.lang.Number getStdDevValue(java.lang.Comparable rowKey,
                                java.lang.Comparable columnKey)
```
    Returns the standard deviation value for an item.
    
    Parameters:
    
    rowKey - the row key.
    
    columnKey - the columnKey.
    
    Returns:
    
    The standard deviation (possibly null).