Analyze                 Analyze test or rating scale data defined in
                        'dataList'.
ArcLength.plot          Plot arc length as a function of score index
                        'theta'.
ConditionalSimulation   Simulation-based Estimation of Efficiency of a
                        TestGardener Model
DHfun                   Compute the first and second derivatives of the
                        negative log likelihoods
Entropy.plot            Plot item entropy curves for selected items or
                        questions.
Hfun                    Compute the negative log likelihoods associated
                        with a vector of score index values.
Hfuns.plot              Plot a selection of fit criterion H functions
                        and their first two derivatives.
Item.plot               Four plots for item assessment
Power.plot              Plot item power curves for selected items or
                        questions.
Quant_U                 Test data for 24 math calculation questions
                        from the SweSAT Quantitative data.
Quant_dataList          List of objects essential for an analysis of
                        the abbreviated SweSAT Quantitative multiple
                        choice test.
Quant_key               Option information for the short form of the
                        SweSAT Quantitative test.
Quant_parList           List vector containing results for an analysis
                        of the abbreviated SweSAT Quantitative multiple
                        choice test.
SDS                     The Symptom Distress Scale data.
SDS_U                   Test data for Symptom Distress Scale.
SDS_dataList            List of objects essential for an analysis of
                        the Symptom Distress Scale.
SDS_key                 Key for Symptom Distress Scale.
SDS_parList             List of objects essential for an analysis of
                        the Symptom Distress Scale.
Sensitivity.plot        Plots all the sensitivity curves for selected
                        items or questions.
TG_density.fd           Compute a Probability Density Function
Ushort                  Test data for 24 math calculation questions
                        from the SweSAT Quantitative data.
Usimulate               Simulate a test or scale data matrix.
Wbinsmth                Estimate the option probability and surprisal
                        curves.
Wbinsmth.init           Set up initial coefficient values for computing
                        surprisal curves.
Wbinsmth.plot           Plot probability and surprisal curves for a
                        selection of test or scale items.
Wpca.plot               Plot the test information or scale curve in
                        either two or three dimensions.
keyshort                Option information for the short form of the
                        SweSAT Quantitative test.
make.dataList           Make a list object containing information
                        required for analysis of choice data.
mu.plot                 Plot expected test score as a function of score
                        index
scoreDensity            Compute and plot a score density histogram and
                        and curve.
scorePerformance        Calculate mean squared error and bias for a set
                        of score index values from simulated data.
testscore               Compute the expected test score by substituting
                        probability of choices for indicator variable
                        0-1 values. Binary items assumed coded as two
                        choice items.
theta.distn             Compute score density
theta2arclen            Compute arc length and positions along the test
                        information or scale curve
thetafun                Compute optimal scores
