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Orthognal Regression (Deming Regression) Confidence Intervals for intercept estimates

vincem
Level II

How do you get CI's for intercept estimates using Fit Y by X>  Fit orthogonal  with eual variances....

 

i seem to just get the CIS for the slope estimate only.

3 REPLIES 3


Re: Orthognal Regression (Deming Regression) Confidence Intervals for intercept estimates

You are correct. Only the confidence interval for the slope estimate is currently available.

Byron_JMP
Staff


Re: Orthognal Regression (Deming Regression) Confidence Intervals for intercept estimates

Is that because with an orthogonal fit, the sum of squares error only estimates Y error and so that method can't be used to calculate the MSE for the orthogonal fit?

JMP Systems Engineer, Health and Life Sciences (Pharma)
vincem
Level II


Re: Orthognal Regression (Deming Regression) Confidence Intervals for intercept estimates

Is there a way to compute the CIS for the intercept. i have just seen the CIs' in other packages for the intercept  and of course the slope)