Iterations during the trimming process will also cause the beta values and the intercept value to shift slightly;consequently,it is necessary to inspect all significance levels of the betas once again.

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During the trimming process, the beta values and intercept value may shift slightly, which can affect the significance levels of the betas. Therefore, it is necessary to inspect all significance levels of the betas again to ensure their validity.

Iterations During the Trimming Process Will Also Cause the Beta