search for: gwet

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2010 Jul 12
0
Calculating Gwet's AC1 statistic
Hi, After searching the archives and Google and not turning up anything, I thought I'd ask here. Has anyone done an R package for calculating Gwet's AC1 statistic and variance? K.L. Gwet. Computing inter-rater reliability and its variance in the presence of high agreement. Br J Math Stat Psychol. 2008 May;61(Pt 1):29-48. http://www.ncbi.nlm.nih.gov/pubmed/18482474 Thanks, --pete
2008 Aug 22
3
simple generation of artificial data with defined features
Dear R-colleagues, I am quite a newbie to R fighting my stupidity to solve a probably quite simple problem of generating artificial data with defined features. I am conducting a study of inter-observer-agreement in child-bronchoscopy. One of the most important measures is Kappa according to Fleiss, which is very comfortable available in R through the irr-package. Unfortunately medical doctors