From: Martin Batholdy <batholdy_at_googlemail.com>

Date: Sun, 08 Mar 2009 03:01:51 +0100

R-help_at_r-project.org mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sun 08 Mar 2009 - 01:07:25 GMT

Date: Sun, 08 Mar 2009 03:01:51 +0100

hi,

at first; thanks for the help on getting confidence intervals in R.

now I have a pure statistical question.

I hope you don't mind if I ask ...

I have an expectation of how large my beta-weight in a regression should be - so I have an "ideal" or expected regression line.

Now the real beta-weight is less then the expected and when I draw the confidence interval lines above and below the estimated line, the expected regression line is outside of the confidence intervals at the near end and the beginning of the x-scale.

Can I say know that the empirical beta-weight is significantly different from the expected beta weight?

Or is there a test (perhaps implemented in R) that can tell how the probability is that the estimated (empirical) beta-weight comes from a population where the beta-weight is equal the expected?

thanks for any help!

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sun 08 Mar 2009 - 01:07:25 GMT

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