ctxR

Access chemical, hazard, bioactivity, and exposure data from the Computational Toxicology and Exposure ('CTX') APIs https://api-ccte.epa.gov/docs/. 'ctxR' was developed to streamline the process of accessing the information available through the 'CTX' APIs without requiring prior knowledge of how to use APIs. Most data is also available on the CompTox Chemical Dashboard ('CCD') https://comptox.epa.gov/dashboard/ and other resources found at the EPA Computational Toxicology and Exposure Online Resources https://www.epa.gov/comptox-tools.

Last 30 days

This package has been downloaded 1,032 times in the last 30 days. That's enough downloads to impress a room full of undergrads. A commendable achievement indeed. The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 21 times.

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.

Last 365 days

This package has been downloaded 7,270 times in the last 365 days. That's a lot of interest! Someone might even write a blog post about it. The day with the most downloads was Apr 12, 2025 with 85 downloads.

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.