# R shiny apps

## Power and effect sizes

- Multilevel Power Tool (Calculations are based on the article written by Mathieu, Aguinis, Culpepper, & Chen (2012) in the Journal of Applied Psychology)
- Cross-Level Interaction Effect Calculator, is an R Shiny for this article: Best-practice recommendations for estimating cross-level interaction effects using multilevel modeling (JOM, 2013) (page for sample data file and R code)

## Basic stats

## Advanced statistics/methods

- MAVIS (Meta-Analysis via Shiny) is a web application and R package for running a meta-analysis with Shiny and R.
- lavaan.shiny (Latent Variable Analysis with Shiny) is a Shiny wrapper to the lavaan package. Currently lavaan.shiny allows users to run confirmatory factor analysis, growth curve models, and structural equation models.
- CTTShiny is a Shiny application for running classical test theory and item analysis with Shiny.
- IRTShiny is a Shiny application for running item response theory analysis with Shiny.
- PACA is a Shiny application for running principle components analysis with Shiny.