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Article
Equipercentile equating via data-imputation techniques
In the design of common-item equating, two groups of examinees are administered separate test forms, and each test form contains a common subset of items. We consider test equating under this situation as an i...
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Chapter and Conference Paper
Reproducibility Analysis of Event-Related fMRI Experiments Using Laguerre Polynomials
In this study, we introduce the use of orthogonal causal Laguerre polynomials for analyzing data collected in event-related functional magnetic resonance imaging (fMRI) experiments. This particular family of p...
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Chapter and Conference Paper
Intensity Gradient Self-organizing Map for Cerebral Cortex Reconstruction
This paper presents an application of a self-organizing map (SOM) model based on the image intensity gradient for the reconstruction of cerebral cortex from MR images. The cerebral cortex reconstruction is imp...
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Article
A comparison study of nonparametric imputation methods
Consider estimation of a population mean of a response variable when the observations are missing at random with respect to the covariate. Two common approaches to imputing the missing values are the nonparame...
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Article
Open AccessBrain Reactions to Opening and Closing the Eyes: Salivary Cortisol and Functional Connectivity
This study empirically assessed the strength and duration of short-term effects induced by brain reactions to closing/opening the eyes on a few well-known resting-state networks. We also examined the associati...