The compressed folder contains the dataset underlying the findings described in the PLOS ONE (2017) manuscript, 'Valuation of Opportunity Costs by Rats Working for Rewarding Electrical Brain Stimulation.' The README file in the compressed folder describes its contents. This paper was published  August 25, 2017:

Solomon, R. B., Conover, K., & Shizgal, P. (2017). Valuation of opportunity costs by rats working for rewarding electrical brain stimulation. PLOS ONE, 12(8), e0182120. https://doi.org/10.1371/journal.pone.0182120