Class Median
- java.lang.Object
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- org.apache.commons.math.stat.descriptive.AbstractUnivariateStatistic
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- org.apache.commons.math.stat.descriptive.rank.Percentile
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- org.apache.commons.math.stat.descriptive.rank.Median
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- All Implemented Interfaces:
java.io.Serializable
,UnivariateStatistic
public class Median extends Percentile implements java.io.Serializable
Returns the median of the available values. This is the same as the 50th percentile. SeePercentile
for a description of the algorithm used.Note that this implementation is not synchronized. If multiple threads access an instance of this class concurrently, and at least one of the threads invokes the
increment()
orclear()
method, it must be synchronized externally.- See Also:
- Serialized Form
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Method Summary
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Methods inherited from class org.apache.commons.math.stat.descriptive.rank.Percentile
copy, copy, evaluate, evaluate, evaluate, evaluate, getQuantile, setData, setData, setQuantile
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Methods inherited from class org.apache.commons.math.stat.descriptive.AbstractUnivariateStatistic
evaluate, evaluate, getData
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Constructor Detail
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Median
public Median()
Default constructor.
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Median
public Median(Median original)
Copy constructor, creates a newMedian
identical to theoriginal
- Parameters:
original
- theMedian
instance to copy
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