ADJUSTED R SQUARED INCORRECT IN REGRESSION RESULTS
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Key: MATH-619
URL: https://issues.apache.org/jira/browse/MATH-619
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.0
Environment: Java
Reporter: greg sterijevski
Attachments: regres
I forgot to cast to double when dividing two integers:
this.globalFitInfo[ADJRSQ_IDX] = 1.0 -
(1.0 - this.globalFitInfo[RSQ_IDX]) *
( nobs / ( (nobs - rank)));
Should be
this.globalFitInfo[ADJRSQ_IDX] = 1.0 -
(1.0 - this.globalFitInfo[RSQ_IDX]) *
( (double) nobs / ( (double) (nobs - rank)));
Patch attached.
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