| aic | Calculates the AICs |
| avbootstrap | Creates bootstrap samples |
| cum_normal_fun | Cumulative normal function |
| deviance | Calculates the deviances |
| devianceboot | Calculates the bootsrap deviances |
| get_functions | Predefined functions |
| inv_cum_normal_fun | Inverse cumulative normal function |
| inv_logistic_fun | Inverse logistic function |
| inv_weibull_fun | Inverse Weibull function |
| logistic_fun | Logistic function |
| logliks | Calculates the loglikelihoods 'logliks' calculates the loglikelihoods. |
| logliksboot | Calculates the bootstrap loglikelihoods |
| logliksbootsaturated | Calculates the bootstrap loglikelihoods for the saturated model |
| loglikssaturated | Calculates the loglikelihoods of the saturated model |
| parbootstrap | Creates bootstrap samples of the parameters |
| plotcurves | Plot the curves |
| plotcurves_ | Plot the curves |
| plotpar | Plot the values of the parameters |
| plotpar_ | Plot the values of the parameters |
| plotthresholds | Plot the thresholds |
| plotthresholds_ | Plot the thresholds |
| qpdat | Data set for demonstration |
| quickpsy | Fits psychometric functions |
| quickpsy_ | Fits psychometric functions |
| quickreadfiles | Reads several files |
| sse | Sum of squared errors of prediction |
| summary.quickpsy | Plot the parameters and its confidence intervals 'summary' Plot the parameters and its confidence intervals |
| weibull_fun | Weibull function |
| ypred | Predicted probabilities |