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RE: st: interpreting an output from -nl-
From
"Visintainer, Paul" <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
RE: st: interpreting an output from -nl-
Date
Wed, 16 Mar 2011 12:25:48 -0400
Thanks Steve.
-p
________________________________________________
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Steven Samuels
Sent: Wednesday, March 16, 2011 11:12 AM
To: [email protected]
Subject: Re: st: interpreting an output from -nl-
You are correct, Paul.
Steve
[email protected]
On Mar 16, 2011, at 8:45 AM, Visintainer, Paul wrote:
In the presentation about finding a cutpoint for piecewise regression, ATS at UCLA presents this fine explanation:
http://www.ats.ucla.edu/stat/stata/faq/nl_optimal_knots.htm
My question pertains to the estimate of the cutpoint, given as /c, in the
-nl- output. The value is 8.9876 with a 95% confidence interval of (8.11987, 9.855359). This appears to be a confidence interval for the cutpoint, an x-value (i.e., the CI for the estimate of x at a specific point on y - the inflection). Am I correct in this interpretation?
Thanks,
-p
________________________________________________
Paul F. Visintainer, PhD
Baystate Medical Center
Springfield, MA 01199
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Please view our annual report at http://baystatehealth.org/annualreport
CONFIDENTIALITY NOTICE: This e-mail communication and any attachments may contain confidential and privileged information for the use of the designated recipients named above. If you are not the intended recipient, you are hereby notified that you have received this communication in error and that any review, disclosure, dissemination, distribution or copying of it or its contents is prohibited. If you have received this communication in error, please reply to the sender immediately or by telephone at 413-794-0000 and destroy all copies of this communication and any attachments. For further information regarding Baystate Health's privacy policy, please visit our Internet site at http://baystatehealth.org.
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