Package 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.
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Method Summary
Modifier and Type Method Description 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.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.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
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Method Details
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getMeanValue
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
Returns the mean value for an item.- Parameters:
rowKey
- the row key.columnKey
- the columnKey.- Returns:
- The mean value (possibly
null
).
-
getStdDevValue
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
).
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getStdDevValue
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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