An Open-source WYSIWYG Web Application for Drawing Path Diagrams of Structural Equation Models

Structural equation modeling (SEM) is widely used in behavioral, social, and education research. Drawing publication-ready path diagrams for SEM is not a pleasant task with the existing software. The article introduces an open-source web-based graphical application, semdiag, for drawing WYSIWYG SEM path diagrams interactively. The application is an on-going project developed by the authors using JavaScript, and it can be used in major web browsers, both online and offline. Several examples are provided to demonstrate how to use the application.

Automated summary

This article introduces semdiag, an open-source web-based application for drawing WYSIWYG SEM path diagrams interactively. Developed using JavaScript, semdiag can be used online and offline in major web browsers. Several examples are provided to demonstrate its usage.