def representativeness(S):
#入力: getDistances()のデータ要素#
#return representativeness objectiveness#
tempDMat = S.getDistances()
norm = tempDMat.mean()
return (lambda X: (1 - ex.kmedoid_loss(X, tempDMat, float(norm))))
def uniformity(S):
'''
Based on representativeness_shell implementation in 'example_objectives.py'
:input S: DataElement with function getChrDistances()
:return: uniformity objective
'''
tempDMat = S.getChrDistances()
norm = tempDMat.mean()
return (lambda X: (1 - ex.kmedoid_loss(X, tempDMat, float(norm))))
def representativeness_shell_y(S):
'''
Representativeness shell Eq. (8)
:param S: DataElement with function getDistances()
:return: representativeness objective
'''
tempDMat=S.getDistancesY()
norm=tempDMat.mean()
return (lambda X: (1 - ex.kmedoid_loss(X,tempDMat,float(norm))))
def representativeness_shell_y(S):
'''
Representativeness shell Eq. (8)
:param S: DataElement with function getDistances()
:return: representativeness objective
'''
tempDMat = S.getDistancesY()
norm = tempDMat.mean()
return (lambda X: (1 - ex.kmedoid_loss(X, tempDMat, float(norm))))
def uniformity(S):
#入力:S(getChrDistance()のデータ要素)#
#return: uniformity objective#
tempDMat = S.getChrDistances()
norm = tempDMat.mean()
return (lambda X: (1 - ex.kmedoid_loss(X, tempDMat, float(norm))))