validateDifficulty {TestDesign} | R Documentation |
(Internal) Validate item objects
Description
These are internal functions for validating item objects for their item parameters.
Usage
validateDifficulty(object)
validateSlope(object)
validateGuessing(object)
validateNcat(object)
validateNthr(object)
validateCategory(object)
validateOrder(object)
Arguments
object |
an item object. |
Value
These functions return an error message string if the input object is not valid. These do not return anything for valid objects.
[Package TestDesign version 1.7.0 Index]