+Show that the ridge-regression estimator of the standardized regression coefficients, b+ d RXX dIk ...
Question:
+Show that the ridge-regression estimator of the standardized regression coefficients, b+
d ¼ ðRXX þ dIk Þ
'1 rXy can be written as a linear transformation b+
d ¼ Ub+ of the usual least-squares estimator b+ ¼ R'1 XX rXy, where the transformation matrix is U [ Ik þ dR'1 XX $ %'1
.
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Related Book For
Applied Regression Analysis And Generalized Linear Models
ISBN: 9781452205663
3rd Edition
Authors: By John Fox
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