All functions |
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Generate hierarchical attribute structures |
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Generate all possible attribute patterns |
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Q-matrix validation, model selection and calibration in one run |
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Create a block diagonal matrix |
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Calculating standard errors and variance-covariance matrix using bootstrap methods |
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Calculate classification accuracy |
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Combine R Objects by Columns |
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Classification Rate Evaluation |
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Generate design matrix |
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Differential item functioning for cognitive diagnosis models |
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Experimental function for diagnostic multiple-strategy CDMs |
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Examination for the Certificate of Proficiency in English (ECPE) data |
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extract elements from objects of various classes |
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Tatsuoka's fraction subtraction data |
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The Generalized DINA Model Framework |
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CDM calibration under the G-DINA model framework |
Estimating multiple-strategy cognitive diagnosis models |
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Iterative latent-class analysis |
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Extract log-likelihood for each individual |
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Extract log posterior for each individual |
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Item fit statistics |
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extract item parameters (deprecated) |
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Transformation between latent classes and latent groups |
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Multiple-choice models |
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Item-level model comparison using Wald, LR or LM tests |
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Model fit statistics |
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This function checks if monotonicity is violated |
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Calculate the number of parameters |
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calculate person (incidental) parameters |
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Create plots for GDINA estimates |
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Item fit plots |
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Mesa plot for Q-matrix validation |
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Q-matrix validation |
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Count the frequency of a row vector in a data frame |
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Score function |
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Simulated data (10 items, G-DINA model) |
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Simulated data (10 items, MC-DINA model) |
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Simulated data (10 items, MC-DINA model) |
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Simulated data (20 items, sequential G-DINA model) |
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Simulated data (21 items, sequential DINA model) |
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Simulated data (30 items, DINA model) |
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Simulated data (30 items, G-DINA model) |
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Simulated data (30 items, polytomous G-DINA model) |
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Simulating data for diagnostic tree model |
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Data simulation based on the G-DINA models |
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Graphical user interface of the GDINA function |
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Unique values in a vector |
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Generate unrestricted Qc matrix from an restricted Qc matrix |