def _cef_piij(self, i, j):
dmu_t = self._dmus_t[i]
dmu_t1 = self._dmus_t1[i]
if dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] != 0.0:
number1 = dmu_t.co2[j] / self._lmdi.co2_sum_t
number2 = dmu_t1.co2[j] / self._lmdi.co2_sum_t1
numerator1 = Lmdi.l_function(number1, number2) / self._lmdi.ll
cef_i_j_t = self._cef_t[i, j]
cef_i_j_t1 = self._cef_t1[i, j]
denumnerator1 = Lmdi.l_function(cef_i_j_t1, cef_i_j_t * self.cef)
return numerator1 * cef_i_j_t / denumnerator1
else:
return 0.0
def _peiij(self, i, j):
dmu_t = self._dmus_t[i]
dmu_t1 = self._dmus_t1[i]
if dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] != 0.0:
sij_t = dmu_t.ene[j] / dmu_t.ene.total
sij_t1 = dmu_t1.ene[j] / dmu_t1.ene.total
__l = Lmdi.l_function(sij_t1,
sij_t * exp(sum(list(self._lmdi.emx()))))
__L = Lmdi.l_function(dmu_t1.co2[j] / self._lmdi.co2_sum_t1,
dmu_t.co2[j] / self._lmdi.co2_sum_t)
return __L * sij_t / self._lmdi.ll / __l
elif dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] == 0.0:
cijt = dmu_t.co2[j] / self._lmdi.co2_sum_t
return cijt / self._lmdi.ll / exp(sum(list(self._lmdi.emx())))
else:
return 0.0
def __init__(self, dmus_t, dmus_t1, name='', global_dmus=None):
self._dmus_t = dmus_t
self._dmus_t1 = dmus_t1
self._name = name
self._format()
self._cache = {}
self._lmdi = Lmdi.build(self._dmus_t, self._dmus_t1, self._name,
global_dmus)
def _rij(self, i, j, emx):
dmu_t = self._dmus_t[i]
dmu_t1 = self._dmus_t1[i]
if dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] != 0.0:
sij_t = dmu_t.ene[j] / dmu_t.ene.total
sij_t1 = dmu_t1.ene[j] / dmu_t1.ene.total
l_upper = Lmdi.l_function(dmu_t1.co2[j] / self._lmdi.co2_sum_t1,
dmu_t.co2[j] / self._lmdi.co2_sum_t)
l_low = Lmdi.l_function(sij_t1, sij_t * emx)
return (1.0 / self._LL) * (1.0 / self._lmdi.ll) \
*(l_upper / l_low) * (sij_t1 - sij_t)
elif dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] == 0.0:
cij_t = dmu_t.co2[j] / self._lmdi.co2_sum_t
return -1.0 * (1.0 / self._lmdi.ll) * (1.0 / self._LL) * (cij_t /
(emx))
elif dmu_t.co2[j] == 0.0 and dmu_t1.co2[j] != 0.0:
cij_t = dmu_t1.co2[j] / self._lmdi.co2_sum_t1
return (1.0 / self._lmdi.ll) * (1.0 / self._LL) * cij_t
else:
return 0.0
def _wi(self, idx):
'''
wi factor
'''
result = 0.0
dmu_t = self._dmus_t[idx]
dmu_t1 = self._dmus_t1[idx]
for j in range(self._lmdi.energy_count):
if dmu_t.co2[j] != 0.0 and dmu_t1.co2[j] != 0.0:
number1 = dmu_t.co2[j] / self._lmdi.co2_sum_t
number2 = dmu_t1.co2[j] / self._lmdi.co2_sum_t1
result += Lmdi.l_function(number1, number2)
return result / self._lmdi.ll
def _attribution_r(self, func, index):
index_key = 'r' + index
if not self._cache.has_key(index_key):
result = []
for idx, dmu_t_t1 in enumerate(zip(self._dmus_t, self._dmus_t1)):
__wi = self._wi(idx)
value_t = func(dmu_t_t1[0], idx)
value_t1 = func(dmu_t_t1[1], idx, False)
pii = __wi / Lmdi.l_function(value_t1,
value_t * getattr(self, index))
result.append(pii * value_t)
total = sum(result)
self._cache[index_key] = [item / total for item in result]
return self._cache[index_key]
def rpei(self):
'''
r's pei
'''
if not self._cache.has_key('rpei'):
result = []
__pei = exp(sum(list(self._lmdi.pei())))
for idx, dmu_t_t1 in enumerate(zip(self._dmus_t, self._dmus_t1)):
__wi = self._wi(idx)
pei_t = self._pei_t_t1(dmu_t_t1[0], idx)
pei_t1 = self._pei_t_t1(dmu_t_t1[1], idx, False)
pii = __wi / (Lmdi.l_function(pei_t1, pei_t * __pei))
result.append(pii * pei_t)
total = sum(result)
self._cache['rpei'] = [item / total for item in result]
return self._cache['rpei']
def ryct(self):
'''
r yct
'''
if not self._cache.has_key('ryct'):
result = []
__yct = exp(sum(list(self._lmdi.yct())))
for idx, dmu_t_t1 in enumerate(zip(self._dmus_t, self._dmus_t1)):
__wi = self._wi(idx)
yct_t = self._yct_t_t1(dmu_t_t1[0], idx)
yct_t1 = self._yct_t_t1(dmu_t_t1[1], idx, False)
pii = __wi / Lmdi.l_function(yct_t1, yct_t * __yct)
result.append(pii * yct_t)
total = sum(result)
self._cache['ryct'] = [item / total for item in result]
return self._cache['ryct']
def reue(self):
'''
r's eue
'''
if not self._cache.has_key('reue'):
result = []
__eue = exp(sum(list(self._lmdi.eue())))
for idx, dmu_t_t1 in enumerate(zip(self._dmus_t, self._dmus_t1)):
__wi = self._wi(idx)
eue_t = self._eue_t_t1(dmu_t_t1[0], idx)
eue_t1 = self._eue_t_t1(dmu_t_t1[1], idx, False)
pii = __wi / Lmdi.l_function(eue_t1, eue_t * __eue)
result.append(pii * eue_t)
total = sum(result)
self._cache['reue'] = [item / total for item in result]
return self._cache['reue']
