statistics

Beautiful Tables for Exploratory Factor Analysis in R

The psych package for R provides great utilities for exploratory factor analysis (EFA). However, the way psych displays the results does not take advantage of visual cues to make grasping the factor solutions easier, nor is it straightforward to display the results in a way that can be shared easily with others.

How to compute multi-level reliability indices in R and Mplus

Reliability estimation is one of the core tasks when working with psychological scales. However, relability estimation with a multi-level data structure has only recently become a topic and its hard to find good materials for this.

A workflow for automating scale scoring in R

This post contains a workflow that vastly speeds up the process of scale scoring and computing psychometrics such as Cronbach's alpha.