| bad_coded | Nishisato and Clavel, artificial set of data | 
| christmas | Christmas party plans | 
| curricula | Curricula and Social classes | 
| ds_cf | Contingency and frequency data analysis | 
| ds_mc | Multiple choice data analysis | 
| ds_mcf | Forced multiple choice data analysis | 
| ds_mc_check | Function to identify incorrect Multiple Choice input data | 
| ds_pc | Paired comparison data analysis | 
| ds_ro | Rank order data analysis | 
| goverment | Goverment services and facilities | 
| plot.dualScale | Plot of Dual Scale analysis | 
| plot_data | Obtain the data used in the graphs | 
| preferences | Preferences, artificial set of data | 
| print.dualScale | Print of Dual Scale analysis | 
| singaporean | Singaporean children as viewed by adults | 
| summary.dualScale | Summary of Dual Scale analysis |