Psychometric techniques, including functions to analyze dichotomous variables, and applied examples of factor analysis and discriminant analysis. Produced within the classes "Principles and Methods of Measurement" and "Public Opinion", both taught at the University of Chicago in the Spring of 2021.

Running simulation scripts through R and flexMIRT for Multiple Item Response Theory.

A Collection of Data-Sets, R-programs, and Vignettes for the Advanced Workshop in Sensory Evaluation of SPISE 2022.

Graduate project implementing a pattern-based approach on organizational data

Resources to estimate usual alcohol consumption from the Extended AUDIT-C

📊 Contains code used to analyze data about HCL-32 instrument (Hypomania Checklist). Functions related to confirmatory factor analysis and internal consistency.

Inject Missing Values Not-At-Random to Simulated Likert Data Sets

Factor analytics techniques employed in R, including EFA and CFA, to analyze Martin & Doris's (2003) research on the development of a psychometric instrument measuring individual styles of humor.

Data Analysis of Pro-Environmental Attitude among College Students of India

indexDilemma() function co-authored and Included in CRAN

This R package visualizes a correlation matrix as a Venn diagram. The overlap of circles represents the shared variance between variables, and (optionally) the distance between circles is equivalent to the correlation between variables.

Kernel Equating Without Pre-Smoothing

Replication syntax for Ardag Öney Cohr 2021

The project entailed identifying relevant items to wellbeing from the 'wellbeing module' of the World Values Survey questionnaire and running factor analyses to figure out the measurement structure of the identified scale.

An R package for Bayesian structural equation modeling using INLA

R package with functions for the Petersen Lab

R and C++ code useful for time series analysis on dichotomous data

Unidimensional IRT models using mirt

An introduction to graphical models in psychometrics.

Repositorio con el material del taller "Introducción a la Modelización Psicómetrica con IRT usando R" dictado por Dr. Ramsés Vázquez Lira en el Instituto Nacional para la Evaluación Educativa (INEE) como parte de la clase "Seminario de Medición y Evaluación en Educación" impartida en conjunto con la Facultad de Psicología, UNAM. Auxiliar: Josué …