here

The here package enables easy file referencing in project-oriented R workflows by building paths relative to the project’s top-level directory. Instead of using setwd(), which breaks when files are reorganized or shared across different systems, here automatically finds the project root and constructs file paths from there.

This approach solves the problem of fragile, hard-coded file paths that fail when code is moved or run on different machines. Paths built with here() work regardless of where your script lives within the project directory structure, making it particularly useful for projects with data, scripts, and reports in different subdirectories. The package eliminates path-related errors when collaborating or running code from different locations within a project.