Extends 'ACER ConQuest' through a family of functions designed to improve graphical outputs and help with advanced analysis (e.g., differential item functioning). Allows R users to call 'ACER ConQuest' from within R and read 'ACER ConQuest' System Files (generated by the command 'put'). Requires 'ACER ConQuest' version 5.12.3 or later. A demonstration version can be downloaded from < https://shop.acer.edu.au/acer-conquest-5.html>.
Extends ACER ConQuest by allowing R users to call ConQuest from within R. The user can also access ConQuest data objects by reading ConQuest System Files (generated by the ConQuest command 'put'). Requires ACER ConQuest version 4.29.1 or later.