If an intercept is included and the number of explanators is more than one, R2 is also referred to as the coefficient of multiple correlation.

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Likewise, evaluating applicants based on whether they had held multiple jobs for less than six months has no correlation to job tenure or performance.

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"It's well established in multiple myeloma that survival and response rates have a statistical correlation, " says Barry Greene , general manager of oncology at Millennium.

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