GDINA2.9.4 package

Generate hierarchical attribute structures

Generate all possible attribute patterns

Q-matrix validation, model selection and calibration in one run

Create a block diagonal matrix

Calculating standard errors and variance-covariance matrix using boots...

Calculate classification accuracy

Combine R Objects by Columns

Classification Rate Evaluation

Generate design matrix

Differential item functioning for cognitive diagnosis models

Experimental function for diagnostic multiple-strategy CDMs

extract elements from objects of various classes

The Generalized DINA Model Framework

CDM calibration under the G-DINA model framework

Estimating multiple-strategy cognitive diagnosis models

Iterative latent-class analysis

Extract log-likelihood for each individual

Extract log posterior for each individual

Item fit statistics

extract item parameters (deprecated)

Transformation between latent classes and latent groups

Multiple-choice models

Item-level model comparison using Wald, LR or LM tests

Model fit statistics

This function checks if monotonicity is violated

Calculate the number of parameters

calculate person (incidental) parameters

Create plots for GDINA estimates

Item fit plots

Mesa plot for Q-matrix validation

Q-matrix validation

Count the frequency of a row vector in a data frame

Score function

Simulating data for diagnostic tree model

Data simulation based on the G-DINA models

Graphical user interface of the GDINA function

Unique values in a vector

Generate unrestricted Qc matrix from an restricted Qc matrix