Software and Codes

R Shiny app to identify careless responders

The purpose of this application is to allow researchers to upload their data, view potential careless respondents in the data identified by statistical methods, and independently decide which types of careless respondents should be removed. The application can be viewed at the

PCA visualization tool

The interactive visualization tool helps you interpret principal components with a colorful heatmap. You can filter variables by names, and sort the rows or columns by weights.