dacohen/Rsquared

KSCV = [0.975, 0.842, 0.708, 0.624, 0.565, 0.521, 0.486, 0.457, 0.432, 0.410, 0.391, 0.375, 0.361, 0.349, 0.338, 0.328, 0.318, 0.309, 0.301, 0.294]

module Rsquared
       class Upper
                def self.tail
              return 1
              end
       end

       class Lower
                def self.tail
              return -1
         end
       end
    
       class Two
                def self.sided
              return true
         end
       end
end