Marlon Gaspar Machado created MATH-1280: -------------------------------------------
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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)