FMrate | Discrimination Judgments of Frequency-Modulated Tones |
lightness | Discrimination Judgments of Gray Patches |
persp.qdm | Perspective Plot for Predictions of Quadrilateral Dissimilarity Model |
predict.qdm | Predictions of Quadrilateral Dissimilarity Model |
psi | Create Discrimination Probabilities (Psi) from Data Frame |
qdm | Fit a Quadrilateral Dissimilarity Model |
samediff | Create Discrimination Probabilities (Psi) from Data Frame |