getCqItanalSummary function

getCqItanalSummary

returns an itanal as a data frame in summary format: one row per generalised item with:

• item label
• valid N
• facility (see conquestr::getCqItanalFacility)
• item-rest correlation
• item-total correlation
• fit (infit/weighted MNSQ) if available
• item locations (deltas)

getCqItanalSummary(itan)

Arguments

• itan: A list of class "cqItanal" created by conquestr::getCqItanal()

Returns

A data frame.

Examples

mySys <- ConQuestSys()
myItan <- getCqItanal(mySys)
getCqItanalSummary(myItan)