Marlon Gaspar Machado created MATH-1280:
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Summary: DescriptiveStatistics methods return NaN for operations
on arrays with single items
Key: MATH-1280
URL: https://issues.apache.org/jira/browse/MATH-1280
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.4
Reporter: Marlon Gaspar Machado
1. Create a DescriptiveStatistics object passing an array with only one value
2. Call getMean() method
3. Call getStandardDeviation() method
4. Both return NaN
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