ade4 has the "testdim" function which implements the method proposed in:
*S. Dray*. On the number of principal components: A test of dimensionality based on measurements of similarity between matrices. /Computational Statistics and Data Analysis/, 52:2228-2237, 2008. Cheers, Karen Douglas wrote: > I am seeking information on whether anyone has written code to perform > Horn's parallel analysis (a procedure that informs the selection of the > proper number of components in PCA) in R. > > > > Thank you in advance for any help you can provide. Please respond > off-list at the email address below. > > Karen Douglas > > > > ******************************************************************* > > Karen Douglas, PhD > > Status of Reading Instruction Institute > > Associate Director, Research and Policy > > International Reading Association > > 444 North Capitol St. NW > > Suite 524 > > Washington, DC 20001 > > [EMAIL PROTECTED] > > > > Phone: 202-624-8473 > > Fax: 202-624-8826 > > > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > 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. > > > -- Stéphane DRAY ([EMAIL PROTECTED] ) Laboratoire BBE-CNRS-UMR-5558, Univ. C. Bernard - Lyon I 43, Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France Tel: 33 4 72 43 27 57 Fax: 33 4 72 43 13 88 http://biomserv.univ-lyon1.fr/~dray/ ______________________________________________ R-help@r-project.org mailing list 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.