Parameters describing character of gray cast graphite morphology such as fractal dimension, roughness and regression coefficients were used to the classification.
The effect of colinearity is to make the regression coefficients unreliable.
Estimating regression coefficients in linear models based on grouped data
confidence interval for partial regression coefficients
The linear Minimax estimator of regression coefficients in the variance component model under quadratic loss function;
However, two-stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error.
By sweeping transformation of matrix, the relationship between regression coefficients and the elements of partial variance is obtained.
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