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org.jfree.data.statistics
Interface 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
 java.lang.Number getMeanValue(java.lang.Comparable rowKey, java.lang.Comparable columnKey)
          Returns the mean value for an item.
 java.lang.Number getMeanValue(int row, int column)
          Returns the mean value for an item.
 java.lang.Number getStdDevValue(java.lang.Comparable rowKey, java.lang.Comparable columnKey)
          Returns the standard deviation value for an item.
 java.lang.Number getStdDevValue(int row, int column)
          Returns the standard deviation value for an item.
 
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
 
Methods inherited from interface org.jfree.data.general.Dataset
addChangeListener, getGroup, removeChangeListener, setGroup
 

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).

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