Hi Ray, Have you done any search at all? I did a search on "R package ROC latent variable" and got several hits. In particular the package randomLCA seems relevant
https://cran.r-project.org/web/packages/randomLCA/vignettes/randomLCA-package.pdf I glanced at the documentation which mentions 2 other R packages that also seem to address your needs - poLCA and BayesLCA. HTH, Eric On Wed, Jun 6, 2018 at 11:48 PM, David Winsemius <dwinsem...@comcast.net> wrote: > > > On Jun 6, 2018, at 10:37 AM, Palmer, Raymond F <palm...@uthscsa.edu> > wrote: > > > > Dear R group. > > Does anyone have an idea how to utilize a latent variable in an ROC > (AUC) analysis? I want to create a latent variable, then use that latent > construct as a continuous variable in an ROC. > > I understand both SEM and ROC analysis can be done in R, but how to use > the latent variable in the ROC is the issue. > > Thanks for any insights. > > Best, Ray > > > > Ray Palmer, Ph.D. > > Professor > > Department of Family and Community Medicine > > University of Texas Health Science Center San Antonio > > palm...@uthscsa.edu<mailto:palm...@uthscsa.edu> > > 210-827-7681 > > > > > > [[alternative HTML version deleted]] > > There are two sections from the Posting Guide that may be relevant: > > ---begin-- > Questions about statistics: The R mailing lists are primarily intended for > questions and discussion about the R software. However, questions about > statistical methodology are sometimes posted. If the question is well-asked > and of interest to someone on the list, it may elicit an informative > up-to-date answer. See also the Usenet groups sci.stat.consult (applied > statistics and consulting) and sci.stat.math (mathematical stat and > probability). > ---end----- > > Frankly I would not considered this question to be "well-asked" but anyone > is free to dispute this or to take on the task of asking clarifying > questions. > > A modern update might add to the Posting Guide in these more web-centric > times, the CrossValidated.com site. https://stats.stackexchange. > com/search?q=latent+variable+roc > > (Those newsgroups are basically defunct.) > > > > ---begin-- > • No HTML posting (harder to detect spam) (note that this is the > default in some mail clients - you may have to turn it off). Note that > chances have become relatively high for ‘HTMLified’ e-mails to be > completely intercepted (without notice to the sender). > ---end- > > One of the effects of redistribution by a mail-server is the removal of > the identity of your mail-client, so advice about that concern can only be > "RTFM". > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > 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. > > David Winsemius > Alameda, CA, USA > > 'Any technology distinguishable from magic is insufficiently advanced.' > -Gehm's Corollary to Clarke's Third Law > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
