US EPA's Toxicity Reference Database (ToxRefDB)

Materials from an R User Group workshop

Quality control checks on continuous data. Example data is from a HOBO data logger with 30 minute intervals.

Workshops done at EPA

Materials for the Atlantic Ecology Division's data science study group

Code to reproduce the data files described in "Summertime methane and carbon dioxide emission rates and associated variables from a national-scale survey of 146 reservoirs in the United States" to be submitted to Limnology and Oceanography Letters in July 2025. The project was led by the US EPA's Office of Research and Development.

Quick notebook based on four solver problems from groundwater seepage calculator by Bob Lien