| MPDiR-package | Modeling Psychophysical Data in R |
| binom.diagnostics | Diagnostics for Binary GLM |
| Chromatic | Chromatic Thresholds across the Life Span |
| ConfRates | Confidence Ratings for Detection of Luminance Patch |
| Context | Psychometric Functions for the Effects of Context on Contrast Detection |
| CorticalCells | Contrast Response Functions from Visual Cortical Cells |
| Faces | Perceived kinship in image pairs of children |
| Faces2 | Perceived kinship in image pairs of children |
| Gabor | Detection of a 2 cycle/window Gabor temporal modulation |
| GlassPatterns | Detection of concentric patterns of dipoles in Glass Patterns |
| Grue | Distribution of Grue Languages with UV-B Exposure |
| HSP | Hecht, Schlaer and Pirenne (1942) psychometric functions |
| lnorm | Likelihoods for Poisson and Gaussian psychometric functions |
| lpois | Likelihoods for Poisson and Gaussian psychometric functions |
| lpois1 | Likelihoods for Poisson and Gaussian psychometric functions |
| ModelFest.df | Contrast Sensitivity of the Observers from the ModelFest Consortium |
| Motion | Threshold for First- and Second-order Movement with Age |
| MPDiR | Modeling Psychophysical Data in R |
| panel.psyfun | Panel Function for Adding Psychometric Function Fit to Each Panel |
| plot.binom.diag | Diagnostics for Binary GLM |
| polmer | Ordinal Regression with Mixed-effects |
| psyfun.boot | Bootstrapping Standard Errors of Psychometric Function Parameters |
| StairCase | 3-1 Randomly Interleaved Staircase Detection Experiment |
| thresh.est | Estimate Threshold Level from Model Object |
| Vernier | Psychometric Functions for Vernier Judgement of Phase Difference between Drifting Gratings |