dualScale 1.0.0

Release of a new package for the calculation of the different options offered by Professor S. Nishisato’s Dual Scaling process.

This version includes the following options:

• CF: Contingency and frequency data
• MC: Multiple-choince data
• SO: Sorting data
• PC: Paired-comparison data
• RO: Rank-order data

In turn, the package allows to display a summary of the results, as well as a default graph (with 4 different options). The package offers the option of obtaining the data used to make the graphs.