There is a nice paper by Yssaad-Fesselier and Knoblauch on "Modelling Psychometric Functions in R". http://hal.archives-ouvertes.fr/docs/00/13/17/99/PDF/B125.pdf
You might also be interested in this: http://www.journalofvision.org/5/5/8/article.aspx which comes from the same group as the psignifit toolbox for matlab (methinks), but is a step ahead. Best wishes Paul -- View this message in context: http://www.nabble.com/psychometric-functions-tp19086590p19091317.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
