This package is the R implementation of the Renewable Energy Probabilistic Resource Assessment (REPRA) tool, developed at the National Renewable Energy Laboratory (NREL).
More information is available in the help of the package functions. Additionally, two vignettes are included with this package and can be accessed browseVignettes("repra") or browseVignettes("sliding_window").
Reference: Eduardo Ibanez, Michael Milligan (2012). Impact of Transmission on Resource Adequacy in Systems with Wind and Solar Power. IEEE Power& Energy Society General Meeting, 22-26 July 2012, San Diego, CA. http://www.nrel.gov/docs/fy12osti/53482.pdf.