CATConfig-class {RSCAT}

CAT configuration

Description

An S4 Class to represent parameters of the CAT configuration.

Slots

solverConfig

an instance of the S4 class SolverConfig for the MIP solver configuration.

initialTheta

the initial ability theta value.

scalingConstant

the constraint to scale a discrimination coefficient. estimated with the logistic model to the normal metric.

itemSelectionMethod

a character string specifying the item selection method.

scoreMethodConfig

a rJava jobjRef object for CAT scoring method configuration. It is generated by the function scoreMethodConfig.

exposureControlType

a character string specifying the exposure control type. "None" to disable exposure control, "Item" for item-level exposure control, and "Passage" for passage-level exposure control.

exposureControlRate

an integer value specifying the exposure goal rate.

lValue

a non-negative integer specifying the nuumber of items to be randomlized.