ginsOnDims
returns a list of length gNDims. Each element of the list contains a vector of the gins on this dim.
ginsOnDims(sysFile)
sysFile
: An ACER ConQuest system file read into R using conquestr::ConQuestSysa list
## Not run: myResult <- ginsOnDims(conquestr::ConQuestSys()) ## End(Not run)