coefficient of determination(redirected from R square)
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coefficient of determination[¦kō·ə′fish·ənt əv di‚tər·mə′nā·shən]
A statistic which indicates the strength of fit between two variables implied by a particular value of the sample correlation coefficient r. Designated by r 2.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.