org.knime.base.node.preproc.groupby.aggregation
Class NumericOperators

java.lang.Object
  extended by org.knime.base.node.preproc.groupby.aggregation.NumericOperators

public final class NumericOperators
extends Object

Contains all numerical aggregation operators.

Author:
Tobias Koetter, University of Konstanz

Nested Class Summary
(package private)  class NumericOperators.MaxOperator
          Returns the maximum per group.
(package private)  class NumericOperators.MeanOperator
          Returns the mean per group.
(package private)  class NumericOperators.MinOperator
          Returns the minimum per group.
(package private)  class NumericOperators.StdDeviationOperator
          Returns the standard deviation per group.
(package private)  class NumericOperators.SumOperator
          Returns the sum per group.
(package private)  class NumericOperators.VarianceOperator
          Returns the variance per group.
 
Method Summary
static NumericOperators getInstance()
          Returns the only instance of this class.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

getInstance

public static NumericOperators getInstance()
Returns the only instance of this class.

Returns:
the only instance


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Chair for Bioinformatics and Information Mining, Prof. Dr. Michael R. Berthold.
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