【摘 要】
：
In iolving the regression equations, collinearity in the design matrix can result in Paraznter estimates which are inaccurate. The use of orthogonal matris transformatha such as the singubovalue decom
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In iolving the regression equations, collinearity in the design matrix can result in Paraznter estimates which are inaccurate. The use of orthogonal matris transformatha such as the singubovalue decomposition can reduce the effect of collinearity Also,
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