Man pages for TestGardener
Optimal Analysis of Test and Rating Scale Data

AnalyzeAnalyze test or rating scale data defined in 'dataList'.
ArcLength.plotPlot the score index 'theta' as a function of arc length.
dataSimulationSimulation Based Estimates of Root-mean-squared-err of Theta...
density_plotPlot the probability density function for a set of test...
DHfunCompute the first and second derivatives of the negative log...
entropiesEntropy measures of inter-item dependency
Entropy.plotPlot item entropy curves for selected items or questions.
HcurveConstruct grid of 101 values of the fitting function
HfunCompute the negative log likelihoods associated with a vector...
Hfuns.plotPlot a selection of fit criterion H functions and their first...
ICC.fitEstimate the option probability and surprisal curves.
ICC.plotPlot probability and surprisal curves for a selection of test...
keyshortOption information for the short form of the SweSAT...
make.dataListMake a list object containing information required for...
mu.plotPlot expected test score as a function of score index
Power.plotPlot item power curves for selected items or questions.
Quantshort_dataListList of objects essential for an analysis of the abbreviated...
Quantshort_infoListArclength or information arameter list for 24 items from the...
Quantshort_keyOption information for the short form of the SweSAT...
Quantshort_parListParameter list for 24 items from the quantitative SweSAT...
Quantshort_UTest data for 24 math calculation questions from the SweSAT...
scoreDensityCompute and plot a score density histogram and and curve.
scorePerformanceCalculate mean squared error and bias for a set of score...
SDSThe Symptom Distress Scale data.
SDS_dataListList of objects essential for an analysis of the Symptom...
SDS_infoListArclength or information parameter list for 13 items in the...
SDS_keyKey for Symptom Distress Scale.
SDS_parListParameter list for the Symptom Distress Scale.
SDS_UTest data for Symptom Distress Scale.
Sensitivity.plotPlots all the sensitivity curves for selected items or...
testscoreCompute the expected test score by substituting probability...
TG_density.fdCompute a Probability Density Function
theta2arclenCompute results using arc length or information as the...
theta.distnCompute score density
thetafunCompute optimal scores
thetasearchEnsure that estimated score index is global
UshortTest data for 24 math calculation questions from the SweSAT...
UsimulateSimulate a test or scale data matrix.
WbinsmthEstimate the option probability and surprisal curves.
Wpca.plotPlot the test information or scale curve in either two or...
TestGardener documentation built on Nov. 24, 2022, 5:07 p.m.