org.jfree.data.statistics

Class DefaultStatisticalCategoryDataset

public class DefaultStatisticalCategoryDataset extends AbstractDataset implements StatisticalCategoryDataset, RangeInfo

A convenience class that provides a default implementation of the StatisticalCategoryDataset interface.

Constructor Summary
	DefaultStatisticalCategoryDataset() Creates a new dataset.

Method Summary
void	add(double mean, double standardDeviation, Comparable rowKey, Comparable columnKey) Adds a mean and standard deviation to the table.
void	add(Number mean, Number standardDeviation, Comparable rowKey, Comparable columnKey) Adds a mean and standard deviation to the table.
boolean	equals(Object obj) Tests this instance for equality with an arbitrary object.
int	getColumnCount() Returns the number of columns in the table.
int	getColumnIndex(Comparable key) Returns the column index for a given key.
Comparable	getColumnKey(int column) Returns a column key.
List	getColumnKeys() Returns the column keys.
Number	getMeanValue(int row, int column) Returns the mean value for an item.
Number	getMeanValue(Comparable rowKey, Comparable columnKey) Returns the mean value for an item.
Range	getRangeBounds(boolean includeInterval) Returns the range of the values in this dataset's range.
double	getRangeLowerBound(boolean includeInterval) Returns the minimum y-value in the dataset.
double	getRangeUpperBound(boolean includeInterval) Returns the maximum y-value in the dataset.
int	getRowCount() Returns the number of rows in the table.
int	getRowIndex(Comparable key) Returns the row index for a given key.
Comparable	getRowKey(int row) Returns a row key.
List	getRowKeys() Returns the row keys.
Number	getStdDevValue(int row, int column) Returns the standard deviation value for an item.
Number	getStdDevValue(Comparable rowKey, Comparable columnKey) Returns the standard deviation value for an item.
Number	getValue(int row, int column) Returns the value for an item (for this dataset, the mean value is returned).
Number	getValue(Comparable rowKey, Comparable columnKey) Returns the value for an item (for this dataset, the mean value is returned).

Constructor Detail

DefaultStatisticalCategoryDataset

public DefaultStatisticalCategoryDataset()

Creates a new dataset.

Method Detail

add

public void add(double mean, double standardDeviation, Comparable rowKey, Comparable columnKey)

Adds a mean and standard deviation to the table.

Parameters: mean the mean. standardDeviation the standard deviation. rowKey the row key. columnKey the column key.

add

public void add(Number mean, Number standardDeviation, Comparable rowKey, Comparable columnKey)

Adds a mean and standard deviation to the table.

Parameters: mean the mean. standardDeviation the standard deviation. rowKey the row key. columnKey the column key.

equals

public boolean equals(Object obj)

Tests this instance for equality with an arbitrary object.

Parameters: obj the object (null permitted).

Returns: A boolean.

getColumnCount

public int getColumnCount()

Returns the number of columns in the table.

Returns: The column count.

getColumnIndex

public int getColumnIndex(Comparable key)

Returns the column index for a given key.

Parameters: key the column key.

Returns: The column index.

getColumnKey

public Comparable getColumnKey(int column)

Returns a column key.

Parameters: column the column index (zero-based).

Returns: The column key.

getColumnKeys

public List getColumnKeys()

Returns the column keys.

Returns: The keys.

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.

getRangeBounds

public Range getRangeBounds(boolean includeInterval)

Returns the range of the values in this dataset's range.

Parameters: includeInterval a flag that determines whether or not the y-interval is taken into account.

Returns: The range.

getRangeLowerBound

public double getRangeLowerBound(boolean includeInterval)

Returns the minimum y-value in the dataset.

Parameters: includeInterval a flag that determines whether or not the y-interval is taken into account (ignored for this dataset).

Returns: The minimum value.

getRangeUpperBound

public double getRangeUpperBound(boolean includeInterval)

Returns the maximum y-value in the dataset.

Parameters: includeInterval a flag that determines whether or not the y-interval is taken into account (ignored for this dataset).

Returns: The maximum value.

getRowCount

public int getRowCount()

Returns the number of rows in the table.

Returns: The row count.

getRowIndex

public int getRowIndex(Comparable key)

Returns the row index for a given key.

Parameters: key the row key.

Returns: The row index.

getRowKey

public Comparable getRowKey(int row)

Returns a row key.

Parameters: row the row index (zero-based).

Returns: The row key.

getRowKeys

public List getRowKeys()

Returns the row keys.

Returns: The keys.

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.

getValue

public Number getValue(int row, int column)

Returns the value for an item (for this dataset, the mean value is returned).

Parameters: row the row index. column the column index.

Returns: The value.

getValue

public Number getValue(Comparable rowKey, Comparable columnKey)

Returns the value for an item (for this dataset, the mean value is returned).

Parameters: rowKey the row key. columnKey the columnKey.

Returns: The value.