Package org.jfree.data.statistics
Interface StatisticalCategoryDataset
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- 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
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
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Methods inherited from interface org.jfree.data.KeyedValues2D
getColumnIndex, getColumnKey, getColumnKeys, getRowIndex, getRowKey, getRowKeys, getValue
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Methods inherited from interface org.jfree.data.Values2D
getColumnCount, getRowCount, getValue
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Method Detail
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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
).
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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
).
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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
).
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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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