Man pages for TestDesign
Optimal Test Design Approach to Fixed and Adaptive Test Construction
| addCountsToConstraintData | (Internal) Count number of pool items that match a constraint |
| addScoreToConstraintData | (Internal) Sum scores of items in a solution that match a... |
| addSolutionToConstraintData | (Internal) Count number of items in a solution that match a... |
| adjustAlphaToReduceSpike | (Internal) Apply spike-reduction mechanism on exposure rates |
| aggregateUsageMatrix | (Internal) Aggregate item usage matrix into exposure rate... |
| appendMeanInfo | (Internal) Append mean information to shadowtest |
| applyEligibilityConstraintsToInfo | (Internal) Modify item information using eligibility... |
| applyEligibilityConstraintsToXdata | (Internal) Augment constraint matrix-data with eligibility... |
| applyFading | (Internal) Apply fading to exposure record |
| applyOverlapConstraintsToInfo | (Internal) Modify item information using overlap constraints |
| applyShrinkageCorrection | (Internal) Apply shrinkage correction to theta estimate |
| applyThin | (Internal) Thin a MCMC chain |
| assembleShadowTest | (Internal) Assemble a shadowtest |
| assemblyInFinalThetaSegmentWasFeasibleAtLeastOnceInInterimThetaSegments | (Internal) Determine if shadowtest assembly was feasible for... |
| a_to_alpha | Calculate alpha angles from a-parameters |
| buildConstraints | Build constraints (shortcut to other loading functions) |
| calcEscore-methods | Calculate expected scores |
| calcFisher-methods | Calculate Fisher information |
| calcHessian-methods | Calculate second derivative of log-likelihood |
| calc_info | (C++) For multiple items, calculate Fisher information |
| calc_info_EB | Calculate the Fisher information using empirical Bayes |
| calc_info_FB | Calculate the Fisher information using full Bayesian |
| calcJacobian-methods | Calculate first derivative of log-likelihood |
| calc_likelihood | (C++) For multiple items, calculate likelihoods |
| calcLocation-methods | Calculate central location (overall difficulty) |
| calcLogLikelihood-methods | Calculate log-likelihood |
| calc_MI_FB | Calculate the mutual information using full Bayesian |
| calc_posterior | Calculate a posterior value of theta |
| calc_posterior_function | Calculate a posterior distribution of theta |
| calc_posterior_single | Calculate a posterior value of theta for a single item |
| calcProb-methods | Calculate item response probabilities |
| calculateAdaptivityMeasures | Calculate Adaptivity Measures |
| checkConstraints | Check the consistency of constraints and item usage |
| clipEligibilityRates | (Internal) Clip eligibility rates into 0-1 bounds |
| combineConstraintsData | (Internal) Combine constraints data |
| combineItemPoolData | (Internal) Combine item pool data |
| combineXdata | (Internal) Combine two constraint matrix-data |
| computeEAPFromPosterior | (Internal) Convert posterior densities into an EAP estimate |
| computeInfoAtCurrentTheta | (Internal) Compute item information at current theta estimate |
| constraint-class | Class 'constraint': a single constraint |
| constraints-class | Class 'constraints': a set of constraints |
| constraints-operators | Basic operators for constraints objects |
| createShadowTestConfig | Create a config_Shadow object |
| createStaticTestConfig | Create a config_Static object |
| dataset_bayes | Bayes dataset |
| dataset_fatigue | Fatigue dataset |
| dataset_reading | Reading dataset |
| dataset_science | Science dataset |
| dbind | (Internal) Bind matrices diagonally |
| detectBestSolver | Detect best solver |
| determineCurrentThetaSegment | (Internal) Determine the current theta segment |
| doExposureControl | (Internal) Perform exposure control |
| dot-onAttach | (Internal) Package startup functions |
| eap-methods | Compute expected a posteriori estimates of theta |
| e_item | (C++) Calculate expected scores |
| estimateFinalTheta | (Internal) Estimate final theta |
| estimateInterimTheta | (Internal) Estimate interim theta |
| find_segment | (C++) Classify theta values into segments using cutpoints |
| flagAdministeredAsEligible | (Internal) Update eligibility flags to mark administered... |
| flagIneligible | (Internal) Obtain item/set level eligibility flags |
| generateDensityFromPriorPar | (Internal) Convert prior parameters to distribution densities |
| generateItemParameterSample | (Internal) Generate item parameter samples for Bayesian... |
| generateSampleFromPriorPar | (Internal) Generate random theta samples from prior... |
| getBayesianConstants | (Internal) Parse Bayesian-related constants |
| getConstants | (Internal) Parse constants for adaptive test assembly... |
| getDecisionVariablesOfItemForMultipool | (Internal) Make decision variables for selecting an item |
| getDecisionVariablesOfPoolForMultipool | (Internal) Make decision variables for selecting a pool |
| getEligibilityFlagInSegment | (Internal) Parse eligibility flags for a specific theta... |
| getIndexOfExcludedEntry | (Internal) Convert item IDs to item indices for exclusion |
| getInfoFixedTheta | (Internal) Precalculate item information for fixed-theta item... |
| getInfoOfExcludedEntry | (Internal) Apply information penalty on items to be excluded |
| getLBUBInConstraintData | (Internal) Parse item/stimulus lower/upper bounds from... |
| getScoreAttributes | Retrieve constraints-related scores from solution |
| getSegmentOf | (Internal) Calculate theta segment of a given examinee |
| getSegmentProb | (Internal) Convert a theta distribution to segment-wise... |
| getSegmentsToApply | (Internal) Make a vector for segment-dimensioned matrix... |
| getSolutionAttributes | Retrieve constraints-related attributes from solution |
| getSolution-methods | Print solution items |
| getXdataOfAdministered | (Internal) Obtain constraint matrix-data of administered... |
| getXdataOfExcludedEntry | (Internal) Translate item exclusion instructions into a... |
| h_item | (C++) Calculate second derivative of log-likelihood |
| incrementAlpha | (Internal) Increment exposure record variable: alpha |
| incrementN | (Internal) Increment exposure record variable: n |
| incrementPhi | (Internal) Increment exposure record variable: phi |
| incrementRho | (Internal) Increment exposure record variable: rho |
| info_item | (C++) Calculate Fisher information |
| initializeCompletedGroupingsRecord | (Internal) Initialize groupings record |
| initializeDiagnosticExposureRecord | (Internal) Initialize diagnostic exposure record |
| initializeExposureRecord | (Internal) Initialize exposure record |
| initializeSegmentRecord | (Internal) Initialize segment record |
| initializeUsageMatrix | (Internal) Initialize item usage matrix |
| iparPosteriorSample | Generate item parameter samples for Bayesian purposes |
| isCustomFirstSegmentAvailable | (Internal) Check if customized first segments are available |
| isSolutionOptimal | (Internal) Check whether solution is optimal |
| item_attrib-operators | Basic functions for item attribute objects |
| item-classes | Item classes |
| item_object_validation_methods | (Internal) Validate item objects |
| item_pool-class | Class 'item_pool': an item pool |
| item_pool_cluster-class | Class 'item_pool_cluster': an item pool |
| item_pool_cluster-operators | Create an item pool cluster object |
| item_pool-operators | Basic operators for item pool objects |
| j_item | (C++) Calculate first derivative of log-likelihood |
| lnHyperPars | Convert mean and standard deviation into log-normal... |
| loadConstraints | Load constraints |
| loadItemAttrib | Load item attributes |
| loadItemPool | Load item pool |
| loadStAttrib | Load set/stimulus/passage attributes |
| logitHyperPars | Convert mean and standard deviation into logit-normal... |
| makeConstraintsByEachPartition | make constraints objects from Split() solution indices |
| makeDiagnosticExposureRecord | (Internal) Collect diagnostic exposure record |
| makeSetStructureConstraints | (Internal) Make set-based strucutre constraints |
| makeSimulationDataCache-methods | Create a simulation data cache object |
| makeTestCluster-methods | Create a test cluster object |
| makeTest-methods | Create a test object |
| mlef-methods | Compute maximum likelihood estimates of theta using fence... |
| mle-methods | Compute maximum likelihood estimates of theta |
| output_Shadow_all-class | Class 'output_Shadow_all': a set of adaptive assembly... |
| output_Shadow-class | Class 'output_Shadow': adaptive assembly solution for one... |
| output_Split-class | Class 'output_Split': partitioning solution |
| output_Static-class | Class 'output_Static': fixed-form assembly solution |
| parseConstraintData | (Internal) Parse a constraint data into an object |
| parsePriorParameters | (Internal) Parse prior parameters from viable sources |
| parseShadowTestRefreshSchedule | (Internal) Parse shadowtest refresh schedule |
| p_item | (C++) Calculate item response probability |
| plotExposurePanel | (Internal) Draw an exposure rate plot |
| plot-methods | Extension of plot() for objects in TestDesign package |
| plotShadowAudit | (Internal) Plot audit trail of a single examinee |
| plotShadowChart | (Internal) Plot shadow chart of a single examinee |
| plotShadowExposure | (Internal) Plot exposure rates from a simulation |
| plotShadowInfo | (Internal) Plot test information of a single shadow test |
| print-methods | Extension of print() for objects in TestDesign package |
| RE | Calculate Relative Errors |
| returnErrors | (Internal) Return S4 object validation error messages |
| RMSE | Calculate Root Mean Squared Error |
| runAssembly | Run Test Assembly |
| runMIP | (Internal) Run MIP solver |
| sanitizeConstraintsData | (Internal) Sanitize constraints data |
| sanitizeModel | (Internal) Sanitize item model names for C++ functions |
| selectItemFromShadowTest | (Internal) Select item from a shadowtest |
| Shadow-methods | Run adaptive test assembly |
| shouldShadowTestBeRefreshed | (Internal) Determine whether shadowtest should be refreshed |
| show-methods | Extension of show() for objects in TestDesign package |
| simResp-methods | Simulate item response data |
| simulation_data_cache-class | Class 'simulation_data_cache': data cache for Shadow() |
| Split-methods | Split an item pool into partitions |
| splitSolutionToBins | (Internal) Convert a partitioning problem solution to indices |
| Static-methods | Run fixed-form test assembly |
| st_attrib-operators | Basic functions for stimulus attribute objects |
| summary-classes | Summary classes |
| summary-methods | Extension of summary() for objects in TestDesign package |
| test-class | Class 'test': data cache for simulations |
| test_cluster-class | Class 'test_cluster': data cache for simulations |
| TestDesign | Open TestDesign app |
| TestDesign_alias | Open TestDesign app |
| test_operators | Basic operators for test objects |
| testSolver | Test solver |
| theta_EAP | (C++) Calculate a theta estimate using EAP (expected a... |
| theta_EB | (C++) Calculate a theta estimate using EB (Empirical Bayes)... |
| theta_FB | (C++) Calculate a theta estimate using FB (Full Bayes) method |
| toggleConstraints | Toggle constraints |
| updateCompletedGroupingsRecordForStimulus | (Internal) Update groupings record for stimulus |
| updateDiagnosticExposureRecord | (Internal) Update diagnostic exposure record |
| updateEligibilityRates | (Internal) Update eligibility rates based on exposure rates |
| updateSegmentRecord | (Internal) Update segment record |
| updateThetaPosterior | (Internal) Update posterior densities |
| updateUsageMatrix | (Internal) Update item usage matrix |
| validateConstraintData | (Internal) Validate constraint (wrapper for other validators) |
| validateExpression | (Internal) Validate constraint condition expression |
| validateFullColumn | (Internal) Validate constraint for completeness of its... |
| validateLBUB | (Internal) Validate constraint lower/upper bounds |
| validateSolver | (Internal) Validate solver for interactive use |
