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java.lang.Objectde.erichseifert.gral.data.DataAccessor
de.erichseifert.gral.data.Column
public class Column
Class for storing a column of a data source.
Constructor Summary | |
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Column(DataSource source,
int col)
Initializes a new instance with the specified data source and column index. |
Method Summary | |
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Number |
get(int row)
Returns the value of the data source for the specified index. |
double |
getStatistics(String key)
Returns the specified statistical information for this data. |
int |
size()
Returns the number of elements in this column. |
Methods inherited from class de.erichseifert.gral.data.DataAccessor |
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equals, getIndex, getSource, hashCode, iterator, toArray, toString |
Methods inherited from class java.lang.Object |
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getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Column(DataSource source, int col)
source
- Data source.col
- Column index.Method Detail |
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public Number get(int row)
DataAccessor
get
in class DataAccessor
row
- Index.
public int size()
DataAccessor
size
in class DataAccessor
public double getStatistics(String key)
DataAccessor
getStatistics
in class DataAccessor
key
- Requested Statistical information.
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