HomeResourcesR packages and scriptsE4toolsE4toolsE4tools is an R package that can manage the data that comes from the Empatica E4. It is now available on CRAN. How to install E4tools You can install it by runninginstall.packages("E4tools") Resources for E4tools Click here to download the supplemental data for the vignette. Click here to view the extended vignette. Click here to access the GitHub repository for the package (early access versions are stored here).