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java.lang.Object opennlp.tools.util.eval.Mean
public class Mean
Calculates the arithmetic mean of values
added with the add(double)
method.
Constructor Summary | |
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Mean()
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Method Summary | |
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void |
add(double value)
Adds a value to the arithmetic mean. |
void |
add(double value,
long count)
Adds a value count times to the arithmetic mean. |
long |
count()
Retrieves the number of times a value was added to the mean. |
double |
mean()
Retrieves the mean of all values added with add(double) or 0 if there are zero added
values. |
String |
toString()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Mean()
Method Detail |
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public void add(double value)
value
- the value which should be added
to the arithmetic mean.public void add(double value, long count)
value
- the value which should be added
to the arithmetic mean.count
- number of times the value should be added to
arithmetic mean.public double mean()
add(double)
or 0 if there are zero added
values.
public long count()
public String toString()
toString
in class Object
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