[R] Comparing pre-post effect sizes and areas under the curve, resp.

2006-08-22 Thread Wilmar Igl
Hello!

Does anybody know how to compare pre-post-effect sizes of different 
variables from the same sample with statistical tests? I have the same 
problem with areas under the curve (AUC) from ROC-Analysis.

Any recommendations on references or programms are welcome!

Thank you,

Will

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[R] Survival Analysis - Cox Regression - Confidence Limits for HR based on Likelihood function

2006-03-20 Thread Wilmar Igl
Hallo!

Does anybody know how to make R calculate confidence limits for the 
Hazard Ratio based on the likelihood function when doing Cox 
Regression? As the p Values and the confidence intervals of Wald 
statistics differ from the p Value of the likelihood function 
sometimes "likelihood"-p is <.05 while the 95%-CI is still including 1.

Any help is appreciated.

Will

-- 
Dipl.-Psych. Wilmar Igl
c/o Institut für Psychotherapie u. Medizinische Psychologie
Arbeitsbereich Rehabilitationswissenschaften
Marcusstrasse 9-11 (R. 409), 97070 Würzburg
Telefon: 0931/31-2573, FAX: 0931/31-2078
E-mail: [EMAIL PROTECTED]
URL: http://www.psychotherapie.uni-wuerzburg.de/mitarbeiter/igl.html

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