proportion power calculation for binomial distribution (arcsine transformation) 

              h = 0.2013579
              n = 100
      sig.level = 0.05
          power = 0.5214145
    alternative = two.sided


     proportion power calculation for binomial distribution (arcsine transformation) 

              h = 0.2013579
              n = 193.5839
      sig.level = 0.05
          power = 0.8
    alternative = two.sided