Attribute profile estimation using Diagnostic Classification Models and MCMC


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Documentation for package ‘dcmr’ version 1.0

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all.results.class all.results.class
all.results.class-class all.results.class
attribute.class attribute.class
attribute.class-class attribute.class
attribute.profile.class attribute.profile.class
attribute.profile.class-class attribute.profile.class
CalculatePiIStarPrime Calculate value for pi.i.star.prime for one item
class.probabilities.interaction.test Class probabilities for Q-matrix containing interaction between attributes
class.probabilities.test Class probabilities for Q-matrix containing no interaction between attributes
dcm.scorer.class dcm.scorer.class
dcm.scorer.class-class dcm.scorer.class
DrawAlphas Draw values from multinomial distribution
DrawClasses Draw latent variable values
GetAllProbsCorrectNcrum Calculate all item probabilities of correct response for NCRUM parameterization
GetAttributeProfiles Attribute Profiles
GetAttributesProbabilitiesMCMC Calculate attribute probabilities
GetClassProbabilitiesMCMC Calculate attribute profile probabilities
GetClassProbsFromMus Obtain attribute profile probabilities from latent variable means
GetGammaName Obtain name of a particular gamma parameter
GetGammaNames Obtain names of all gamma parameters
GetKernelParameterNames Kernel Parameter Names for all DCM Models Given a Q-matrix and model type it generates item and structural parameter names. These are kernel parameters: item thresholds ('lambdas') and latent variable thresholds ('gammas')
GetLambdaName Obtain name of a particular lambda parameter
GetLambdaNames Gets names of lambda parameters
GetLambdaNamesForItem Gets lambda names for a given item
GetMusFromGammas Calcualte attribute means from gamma parameters
GetParameterNames Parameter Names for All DCM Models
GetParameterResultsMCMC Calculate results for attributes and attribute profiles
GetProbCorrectNcrum Calculate item probability of correct response for NCRUM parameterization
GetRequiredAttributes Generate required attributes
GetRequiredAttributesLambdaCrum Calculate required attributes for lambdas for a CRUM model.
GetRequiredAttributesLambdaDina Calculate required attributes for lambdas for a DINA model.
GetRequiredAttributesLambdaDino Calculate required attributes for lambdas for a DINO model.
GetRequiredAttributesLambdaFullDCM Calculate required attributes for lamdbas fully specified DCM
GetRequiredAttributesLambdaNido Calculate required attributes for lambdas for a NIDO model.
GetThresholdLabels Obtain item threshold labels
GetThresholdValues GetThresholdValues
GetThresholdValuesKernel Calculate item threshold values for kernel parameterization
GetThresholdValuesKernelPiR Calculate item threshold values for NCRUM parameterization
head-method headattribute.class
head-method head attribute.profile.class
InitializeParameters Initialize parameter estimates
iterate Perform one iteration of MCMC procedure
LongFormatResults Tranform dataframe to long format
mcmc Performs MCMC routine for DCM
observations.test Obervations
parameter.acov.DCM.Mplus.interaction.test Covariance matrix of parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.acov.DCM.Mplus.test Covariance matrix of parameter estimates calibrated using Mplus for fully saturated model.
parameter.class parameter.class
parameter.class-class parameter.class
parameter.means.DCM.kernel.Mplus.interaction.test Kernel parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.means.DCM.kernel.Mplus.test Kernel parameter estimates calibrated using Mplus for fully saturated model.
parameter.means.DCM.Mplus.interaction.test Parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.means.DCM.Mplus.test Parameter estimates calibrated using Mplus for fully saturated model.
parameter.means.names.DCM.kernel.Mplus.interaction.test Names of kernel parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.means.names.DCM.Mplus.interaction.test Names of parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.means.names.DCM.Mplus.test Names of parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with no interaction.
parameter.means.names.NCRUM.interaction.test Names of parameter estimates calibrated using Mplus for fully saturated model and Q-matrix with interaction.
parameter.means.NCRUM.interaction.test Parameter estimates calibrated using Mplus for NC-RUM model and Q-matrix with interaction.
plot-method plot attribute.class
plot-method plot attribute.profile.class
plot-method plot of dcm.scorer.class
print-method print attribute.class
print-method print attribute.profile.class
qmatrix.test Q-matrix
qmatrix.test.interaction Q-matrix with interaction
SampleParameterEstimates Randomly sample parameter estimates
ScoreDCM Score dichotomous response data using DCM and MCMC
summary-method summary attribute.class
summary-method summary attribute.profile.class
summary-method summary of dcm.scorer.class