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Continue to ChatMore on the restricted ridge regression estimation - https://avesis.cu.edu.tr/publication/details/a83b1c35-1bfd-4843-ab40-6e80615ad868/more-on-the-restricted-ridge-regression-estimation
More on the restricted ridge regression estimation - https://avesis.cu.edu.tr/publication/details/a83b1c35-1bfd-4843-ab40-6e80615ad868/more-on-the-restricted-ridge-regression-estimation