org.jfree.data.statistics

Interface StatisticalCategoryDataset

public interface StatisticalCategoryDataset extends CategoryDataset

A category dataset that defines a median and standard deviation value for each item.
Method Summary
NumbergetMeanValue(int row, int column)
Returns the mean value for an item.
NumbergetMeanValue(Comparable rowKey, Comparable columnKey)
Returns the mean value for an item.
NumbergetStdDevValue(int row, int column)
Returns the standard deviation value for an item.
NumbergetStdDevValue(Comparable rowKey, Comparable columnKey)
Returns the standard deviation value for an item.

Method Detail

getMeanValue

public 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.

getMeanValue

public Number getMeanValue(Comparable rowKey, Comparable columnKey)
Returns the mean value for an item.

Parameters: rowKey the row key. columnKey the columnKey.

Returns: The mean value.

getStdDevValue

public 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.

getStdDevValue

public Number getStdDevValue(Comparable rowKey, Comparable columnKey)
Returns the standard deviation value for an item.

Parameters: rowKey the row key. columnKey the columnKey.

Returns: The standard deviation.