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https://issues.apache.org/jira/browse/MATH-448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Steitz resolved MATH-448.
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Resolution: Fixed
Thanks for the patch!
I committed a slightly modified version in r1044981. I made the following
changes to the patch:
* Changed the javadoc to refer to "values" to be consistent with the rest of
the documentation
* Used keyset.size() to compute the result
* Added test cases
> 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
> Fix For: 2.2
>
> Attachments: MATH-448.patch, MATH-448.patch
>
> Original Estimate: 0.25h
> Remaining Estimate: 0.25h
>
> 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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