![]() Note that the steeper green and red regression estimates are more consistent with smaller errors in the y-axis variable. Green reference lines are averages within arbitrary bins along each axis. By convention, with the independent variable on the x-axis, the shallower slope is obtained. The steeper slope is obtained when the independent variable is on the ordinate (y-axis). The shallow slope is obtained when the independent variable (or predictor) is on the abscissa (x-axis). Two regression lines (red) bound the range of linear regression possibilities. Illustration of regression dilution (or attenuation bias) by a range of regression estimates in errors-in-variables models. ![]()
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