In this version of the package nonparametric ordinary bootstrap uncertairty estimates for the model fit and the diagnostic statistics have been added.
The R package “yesno” is not used anymore at the data checking step of the main mudfold() function.
Changes have been made at the generic functions prin.mdf() and summary.mdf() in order to incorporate bootstrap results.
an additional functionality has been added to the plot.mdf() function. Now by setting the argument plot.type= “persons” the distribution of the person parameters will be returned.