public FourParamProbabilityFunction(FourParamModelParameters parameters)
{
_alpha = parameters.Alpha;
_delta = parameters.Delta;
_chi = parameters.Chi;
_epsilon = parameters.Epsilon;
}
public FourParamItemInformationFunction(FourParamModelParameters modelParameters)
{
_alpha = modelParameters.Alpha;
_chi = modelParameters.Chi;
_epsilon = modelParameters.Epsilon;
_probabilityFunction = new FourParamProbabilityFunction(modelParameters);
}
public List <Question> LoadQuestions()
{
List <Question> questions = new List <Question>();
foreach (var item in _itemInformationList)
{
IModelParameters modelParameters = new FourParamModelParameters(item.ParameterA, item.ParameterB, item.ParameterC, 1 - _mistakeProbability);
Question question = new Question()
{
ModelParameters = modelParameters,
QuestionLabel = item.ItemName
};
questions.Add(question);
}
return(questions);
}
