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A Multidimensional Zero-Inflated Graded Response Model for Ordinal Symptom Data
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Description: The goal of the current project was to develop a multidimensional ZI-GRM for multivariate zero-inflated ordinal data where the degree of zero inflation varies across items. The proposed multidimensional ZI-GRM, which allows two distinct but potentially correlated latent variables to underlie the zero-inflated and multinomial components
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