Piotr Wydrych created MATH-939:
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Summary: stat.correlation.Covariance should allow one-column
matrices
Key: MATH-939
URL: https://issues.apache.org/jira/browse/MATH-939
Project: Commons Math
Issue Type: Bug
Reporter: Piotr Wydrych
Currently (rev 1453206), passing 1-by-M matrix to the Covariance constructor
throws IllegalArgumentException. For consistency, the Covariance class should
work for a single-column matrix (i.e., for a N-dimensional random variable with
N=1) and it should return 1-by-1 covariance matrix with the variable's variance
in its only element.
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