Frequency get number of unique values
-------------------------------------
Key: MATH-448
URL: https://issues.apache.org/jira/browse/MATH-448
Project: Commons Math
Issue Type: New Feature
Reporter: Patrick Meyer
Priority: Minor
It is often useful to know the number of unique elements in a frequency table.
Could you add a simple method that returns the size of freqTable. It seems like
it would be as simple as:
{code}
public int getUniqueCount(){
return freqTable.size();
}
{code}
Given that freqTable is private, there is no way to extend the class and add
this method. Thanks!
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