proportional reduction in error
Oxford Dictionary of Statistics:
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proportional reduction in error
Variant: PRE
A criterion underlying some measures of association. The measures attempt to quantify the extent to which knowledge about one variable helps with the prediction of another variable. Examples include R2 (see coefficient of determination) and Goodman and Kruskal's lambda (see association).
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Oxford Dictionary of Statistics
A Dictionary of Statistics. Second edition revised. Copyright © Oxford University Press, 2008. All rights reserved.
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