Dictionary of Human Evolution and Biology

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Regression Coefficient

1. in statistics, the numerical value of any parameter estimate directly associated with the independent variable(s). In the model Y c1 b1X1, e.g., the value b1 is the regression coefficient for the variable X1. Aka slope, scaling coefficient.

2. When the regression is a parent-offspring correlation, the regression coefficient, bn, is an estimate of the heritability of the trait being measured.

Cf. intercept.

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