Hello there, I would like to test the agreement amongst 6 raters for nominal data on a scale from 1-4, and conduct a latent class analysis in R. How should the data be formatted and what code should I use? Thank you very much Lisa Wang Princess Margaret Hospital Biostatistics tel:416 946 4501
latent class modle for rater agreement
3 messages · Lisa Wang, Ingmar Visser, Jack Tanner
Typing latent class on the R project search page gives you at least four packeges that do latent class models mmlcr, flexmix, gllm, depmix etc Hth, ingmar
From: Lisa Wang <lisawang at uhnres.utoronto.ca> Organization: UHN\RIS Date: Thu, 09 Feb 2006 16:31:04 -0500 To: R-Help <r-help at stat.math.ethz.ch> Subject: [R] latent class modle for rater agreement Hello there, I would like to test the agreement amongst 6 raters for nominal data on a scale from 1-4, and conduct a latent class analysis in R. How should the data be formatted and what code should I use? Thank you very much Lisa Wang Princess Margaret Hospital Biostatistics tel:416 946 4501
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Lisa Wang wrote:
I would like to test the agreement amongst 6 raters for nominal data on a scale from 1-4, and conduct a latent class analysis in R. How should the data be formatted and what code should I use?
This kind of agreement test seems to call for Krippendorf's alpha. See http://www.asc.upenn.edu/usr/krippendorff/webreliability2.pdf