def _frank(dependency, alpha):
if(dependency=='kendall'):
r = 1 + 4 * (debye(alpha,1)-1) / alpha
elif(dependency=='spearman'):
r = 1 + 12 * (debye(alpha,2) - debye(alpha,1)) / alpha
return r
def _frank(dependency, alpha):
if dependency == "kendall":
r = 1 + 4 * (debye(alpha, 1) - 1) / alpha
elif dependency == "spearman":
r = 1 + 12 * (debye(alpha, 2) - debye(alpha, 1)) / alpha
return r
def _frank_kendall_fopt(alpha, tau):
return 4 * (debye(alpha, 1) - 1) / alpha + 1 - tau
def _frank_kendall_fopt(alpha, tau):
return 4*( debye(alpha,1) - 1 )/alpha + 1 - tau
