warming tolerance R code from The interaction of exposure and warming tolerance determines fish species vulnerability to warming stream temperatures W. WaltersAnnika MandevilleCaitlin P. J. RahelFrank 2018 R code for analysis and map and figure creation for "The interaction of exposure and warming tolerance determines fish species vulnerability to warming stream temperatures" by Annika W. Walters, Caitlin P. Mandeville, and Frank J. Rahel