def run_lp_avf(pipe, criteria, categories, worst, best, css, pt, aa):
lp = LpAVFSort(criteria, css, categories, worst, best)
obj, cvs, cfs, catv = lp.solve(aa, pt)
model = AVFSort(criteria, cvs, cfs, catv)
aa2 = model.get_assignments(pt)
ca = compute_ca(aa, aa2)
pipe.send([model, ca])
pipe.close()
def one_test(self, seed, na, nc, ncat, ns):
u = generate_random_avfsort_model(nc, ncat, ns, ns, seed)
a = generate_alternatives(na)
pt = generate_random_performance_table(a, u.criteria)
aa = u.get_assignments(pt)
css = CriteriaValues([])
for cf in u.cfs:
cs = CriterionValue(cf.id, len(cf.function))
css.append(cs)
cat = u.cat_values.to_categories()
lp = LpAVFSort(u.criteria, css, cat, pt.get_worst(u.criteria),
pt.get_best(u.criteria))
obj, cvs, cfs, catv = lp.solve(aa, pt)
u2 = AVFSort(u.criteria, cvs, cfs, catv)
aa2 = u2.get_assignments(pt)
self.assertEqual(aa, aa2)
def one_test(self, seed, na, nc, ncat, ns):
u = generate_random_avfsort_model(nc, ncat, ns, ns, seed)
a = generate_alternatives(na)
pt = generate_random_performance_table(a, u.criteria)
aa = u.get_assignments(pt)
css = CriteriaValues([])
for cf in u.cfs:
cs = CriterionValue(cf.id, len(cf.function))
css.append(cs)
cat = u.cat_values.to_categories()
lp = LpAVFSort(u.criteria, css, cat, pt.get_worst(u.criteria),
pt.get_best(u.criteria))
obj, cvs, cfs, catv = lp.solve(aa, pt)
u2 = AVFSort(u.criteria, cvs, cfs, catv)
aa2 = u2.get_assignments(pt)
self.assertEqual(aa, aa2)
def test_lp_avfsort(seed, na, nc, ncat, ns, na_gen, pcerrors):
# Generate a random UTADIS model and assignment examples
model = generate_random_avfsort_model(nc, ncat, ns, ns)
model.set_equal_weights()
cat = model.cat_values.to_categories()
a = generate_alternatives(na)
pt = generate_random_performance_table(a, model.criteria)
aa = model.get_assignments(pt)
# Add errors in assignment examples
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments_proba(aa_err, cat.keys(),
pcerrors / 100)
na_err = len(aa_erroned)
gi_worst = AlternativePerformances('worst',
{crit.id: 0
for crit in model.criteria})
gi_best = AlternativePerformances('best',
{crit.id: 1
for crit in model.criteria})
css = CriteriaValues([])
for cf in model.cfs:
cs = CriterionValue(cf.id, len(cf.function))
css.append(cs)
# Run linear program
t1 = time.time()
lp = LpAVFSort(model.criteria, css, cat, gi_worst, gi_best)
t2 = time.time()
obj, cv_l, cfs_l, catv_l = lp.solve(aa_err, pt)
t3 = time.time()
model2 = AVFSort(model.criteria, cv_l, cfs_l, catv_l)
# Compute new assignment and classification accuracy
aa2 = model2.get_assignments(pt)
ok = ok_errors = ok2 = ok2_errors = altered = 0
for alt in a:
if aa_err(alt.id) == aa2(alt.id):
ok2 += 1
if alt.id in aa_erroned:
ok2_errors += 1
if aa(alt.id) == aa2(alt.id):
ok += 1
if alt.id in aa_erroned:
ok_errors += 1
elif alt.id not in aa_erroned:
altered += 1
total = len(a)
ca2 = ok2 / total
ca2_errors = ok2_errors / total
ca = ok / total
ca_errors = ok_errors / total
# Perform the generalization
a_gen = generate_alternatives(na_gen)
pt_gen = generate_random_performance_table(a_gen, model.criteria)
aa_gen = model.get_assignments(pt_gen)
aa_gen2 = model2.get_assignments(pt_gen)
ca_gen = compute_ca(aa_gen, aa_gen2)
aa_gen_err = aa_gen.copy()
aa_gen_erroned = add_errors_in_assignments_proba(aa_gen_err, cat.keys(),
pcerrors / 100)
aa_gen2 = model2.get_assignments(pt_gen)
ca_gen_err = compute_ca(aa_gen_err, aa_gen2)
# Save all infos in test_result class
t = test_result("%s-%d-%d-%d-%d-%d-%g" %
(seed, na, nc, ncat, ns, na_gen, pcerrors))
# Input params
t['seed'] = seed
t['na'] = na
t['nc'] = nc
t['ncat'] = ncat
t['ns'] = ns
t['na_gen'] = na_gen
t['pcerrors'] = pcerrors
# Output params
t['na_err'] = na_err
t['obj'] = obj
t['ca'] = ca
t['ca_errors'] = ca_errors
t['altered'] = altered
t['ca2'] = ca2
t['ca2_errors'] = ca2_errors
t['ca_gen'] = ca_gen
t['ca_gen_err'] = ca_gen_err
t['t_total'] = t3 - t1
t['t_const'] = t2 - t1
t['t_solve'] = t3 - t2
return t
# Generate an avfsort model
c = generate_criteria(7, random_direction = True)
cv = generate_random_criteria_values(c, seed = 1)
cv.normalize_sum_to_unity()
cat = generate_categories(3)
cfs = generate_random_criteria_functions(c, nseg_min = 3, nseg_max = 3)
catv = generate_random_categories_values(cat)
u = AVFSort(c, cv, cfs, catv)
# Generate random alternative and compute assignments
a = generate_alternatives(1000)
pt = generate_random_performance_table(a, c)
aa = u.get_assignments(pt)
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments(aa_err, cat.keys(), 0.0)
print('==============')
print('Original model')
print('==============')
print("Number of alternatives: %d" % len(a))
print('Criteria weights:')
cv.display()
print('Criteria functions:')
cfs.display()
print('Categories values:')
catv.display()
print("Errors in alternatives assignments: %g %%" \
% (len(aa_erroned) / len(a) * 100))
def test_lp_avfsort(seed, na, nc, ncat, ns, na_gen, pcerrors):
# Generate a random ELECTRE TRI model and assignment examples
model = generate_random_mrsort_model(nc, ncat, seed)
# Generate a first set of alternatives
a = generate_alternatives(na)
pt = generate_random_performance_table(a, model.criteria)
aa = model.pessimist(pt)
# Add errors in assignment examples
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments(aa_err, model.categories,
pcerrors / 100)
gi_worst = AlternativePerformances('worst',
{c.id: 0
for c in model.criteria})
gi_best = AlternativePerformances('best',
{c.id: 1
for c in model.criteria})
css = CriteriaValues([])
for c in model.criteria:
cs = CriterionValue(c.id, ns)
css.append(cs)
# Run linear program
t1 = time.time()
lp = LpAVFSort(model.criteria, css,
model.categories_profiles.to_categories(), gi_worst,
gi_best)
t2 = time.time()
obj, cv_l, cfs_l, catv_l = lp.solve(aa_err, pt)
t3 = time.time()
model2 = AVFSort(model.criteria, cv_l, cfs_l, catv_l)
# Compute new assignment and classification accuracy
aa2 = model2.get_assignments(pt)
ok = ok_errors = ok2 = ok2_errors = 0
for alt in a:
if aa_err(alt.id) == aa2(alt.id):
ok2 += 1
if alt.id in aa_erroned:
ok2_errors += 1
if aa(alt.id) == aa2(alt.id):
ok += 1
if alt.id in aa_erroned:
ok_errors += 1
total = len(a)
ca2 = ok2 / total
ca2_errors = ok2_errors / total
ca = ok / total
ca_errors = ok_errors / total
# Perform the generalization
a_gen = generate_alternatives(na_gen)
pt_gen = generate_random_performance_table(a_gen, model.criteria)
aa = model.pessimist(pt_gen)
aa2 = model2.get_assignments(pt_gen)
ca_gen = compute_ca(aa, aa2)
# Save all infos in test_result class
t = test_result("%s-%d-%d-%d-%d-%d-%g" %
(seed, na, nc, ncat, ns, na_gen, pcerrors))
# Input params
t['seed'] = seed
t['na'] = na
t['nc'] = nc
t['ncat'] = ncat
t['ns'] = ns
t['na_gen'] = na_gen
t['pcerrors'] = pcerrors
# Output params
t['obj'] = obj
t['ca'] = ca
t['ca_errors'] = ca_errors
t['ca2'] = ca2
t['ca2_errors'] = ca2_errors
t['ca_gen'] = ca_gen
t['t_total'] = t3 - t1
t['t_const'] = t2 - t1
t['t_solve'] = t3 - t2
return t
# Generate an avfsort model
c = generate_criteria(7, random_direction = True)
cv = generate_random_criteria_values(c, seed = 1)
cv.normalize_sum_to_unity()
cat = generate_categories(3)
cfs = generate_random_criteria_functions(c, nseg_min = 3, nseg_max = 3)
catv = generate_random_categories_values(cat)
u = AVFSort(c, cv, cfs, catv)
# Generate random alternative and compute assignments
a = generate_alternatives(1000)
pt = generate_random_performance_table(a, c)
aa = u.get_assignments(pt)
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments(aa_err, cat.keys(), 0.0)
print('==============')
print('Original model')
print('==============')
print("Number of alternatives: %d" % len(a))
print('Criteria weights:')
cv.display()
print('Criteria functions:')
cfs.display()
print('Categories values:')
catv.display()
print("Errors in alternatives assignments: %g %%" \
% (len(aa_erroned) / len(a) * 100))
def test_lp_avfsort(seed, na, nc, ncat, ns, na_gen, pcerrors):
# Generate a random UTADIS model and assignment examples
model = generate_random_avfsort_model(nc, ncat, ns, ns)
model.set_equal_weights()
cat = model.cat_values.to_categories()
a = generate_alternatives(na)
pt = generate_random_performance_table(a, model.criteria)
aa = model.get_assignments(pt)
# Add errors in assignment examples
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments_proba(aa_err, cat.keys(),
pcerrors / 100)
na_err = len(aa_erroned)
gi_worst = AlternativePerformances('worst',
{crit.id: 0
for crit in model.criteria})
gi_best = AlternativePerformances('best',
{crit.id: 1
for crit in model.criteria})
css = CriteriaValues([])
for cf in model.cfs:
cs = CriterionValue(cf.id, len(cf.function))
css.append(cs)
# Run linear program
t1 = time.time()
lp = LpAVFSort(model.criteria, css, cat, gi_worst, gi_best)
t2 = time.time()
obj, cv_l, cfs_l, catv_l = lp.solve(aa_err, pt)
t3 = time.time()
model2 = AVFSort(model.criteria, cv_l, cfs_l, catv_l)
# Compute new assignment and classification accuracy
aa2 = model2.get_assignments(pt)
ok = ok_errors = ok2 = ok2_errors = altered = 0
for alt in a:
if aa_err(alt.id) == aa2(alt.id):
ok2 += 1
if alt.id in aa_erroned:
ok2_errors += 1
if aa(alt.id) == aa2(alt.id):
ok += 1
if alt.id in aa_erroned:
ok_errors += 1
elif alt.id not in aa_erroned:
altered += 1
total = len(a)
ca2 = ok2 / total
ca2_errors = ok2_errors / total
ca = ok / total
ca_errors = ok_errors / total
# Perform the generalization
a_gen = generate_alternatives(na_gen)
pt_gen = generate_random_performance_table(a_gen, model.criteria)
aa_gen = model.get_assignments(pt_gen)
aa_gen2 = model2.get_assignments(pt_gen)
ca_gen = compute_ca(aa_gen, aa_gen2)
aa_gen_err = aa_gen.copy()
aa_gen_erroned = add_errors_in_assignments_proba(aa_gen_err,
cat.keys(),
pcerrors / 100)
aa_gen2 = model2.get_assignments(pt_gen)
ca_gen_err = compute_ca(aa_gen_err, aa_gen2)
# Save all infos in test_result class
t = test_result("%s-%d-%d-%d-%d-%d-%g" % (seed, na, nc, ncat, ns,
na_gen, pcerrors))
# Input params
t['seed'] = seed
t['na'] = na
t['nc'] = nc
t['ncat'] = ncat
t['ns'] = ns
t['na_gen'] = na_gen
t['pcerrors'] = pcerrors
# Output params
t['na_err'] = na_err
t['obj'] = obj
t['ca'] = ca
t['ca_errors'] = ca_errors
t['altered'] = altered
t['ca2'] = ca2
t['ca2_errors'] = ca2_errors
t['ca_gen'] = ca_gen
t['ca_gen_err'] = ca_gen_err
t['t_total'] = t3 - t1
t['t_const'] = t2 - t1
t['t_solve'] = t3 - t2
return t
def run_test(seed, data, pclearning, nseg):
random.seed(seed)
# Separate learning data and test data
pt_learning, pt_test = data.pt.split(2, [pclearning, 100 - pclearning])
aa_learning = data.aa.get_subset(pt_learning.keys())
aa_test = data.aa.get_subset(pt_test.keys())
worst = data.pt.get_worst(data.c)
best = data.pt.get_best(data.c)
# Run the linear program
t1 = time.time()
css = CriteriaValues([])
for c in data.c:
cs = CriterionValue(c.id, nseg)
css.append(cs)
lp = LpAVFSort(data.c, css, data.cats, worst, best)
obj, cvs, cfs, catv = lp.solve(aa_learning, pt_learning)
t_total = time.time() - t1
model = AVFSort(data.c, cvs, cfs, catv)
ordered_categories = model.categories
# CA learning set
aa_learning2 = model.get_assignments(pt_learning)
ca_learning = compute_ca(aa_learning, aa_learning2)
auc_learning = model.auc(aa_learning, pt_learning)
diff_learning = compute_confusion_matrix(aa_learning, aa_learning2,
ordered_categories)
# Compute CA of test setting
if len(aa_test) > 0:
aa_test2 = model.get_assignments(pt_test)
ca_test = compute_ca(aa_test, aa_test2)
auc_test = model.auc(aa_test, pt_test)
diff_test = compute_confusion_matrix(aa_test,aa_test2,
ordered_categories)
else:
ca_test = 0
auc_test = 0
ncat = len(data.cats)
diff_test = OrderedDict([((a, b), 0) for a in ordered_categories \
for b in ordered_categories])
# Compute CA of whole set
aa2 = model.get_assignments(data.pt)
ca = compute_ca(data.aa, aa2)
auc = model.auc(data.aa, data.pt)
diff_all = compute_confusion_matrix(data.aa, aa2,
ordered_categories)
t = test_result("%s-%d-%d-%d" % (data.name, seed, nseg, pclearning))
model.id = 'learned'
aa_learning.id, aa_test.id = 'learning_set', 'test_set'
pt_learning.id, pt_test.id = 'learning_set', 'test_set'
save_to_xmcda("%s/%s.bz2" % (directory, t.test_name),
model, aa_learning, aa_test, pt_learning, pt_test)
t['seed'] = seed
t['na'] = len(data.a)
t['nc'] = len(data.c)
t['ncat'] = len(data.cats)
t['ns'] = nseg
t['pclearning'] = pclearning
t['na_learning'] = len(aa_learning)
t['na_test'] = len(aa_test)
t['obj'] = obj
t['ca_learning'] = ca_learning
t['ca_test'] = ca_test
t['ca_all'] = ca
t['auc_learning'] = auc_learning
t['auc_test'] = auc_test
t['auc_all'] = auc
for k, v in diff_learning.items():
t['learn_%s_%s' % (k[0], k[1])] = v
for k, v in diff_test.items():
t['test_%s_%s' % (k[0], k[1])] = v
for k, v in diff_all.items():
t['all_%s_%s' % (k[0], k[1])] = v
t['t_total'] = t_total
return t
def test_lp_avfsort(seed, na, nc, ncat, ns, na_gen, pcerrors):
# Generate a random ELECTRE TRI model and assignment examples
model = generate_random_mrsort_model(nc, ncat, seed)
# Generate a first set of alternatives
a = generate_alternatives(na)
pt = generate_random_performance_table(a, model.criteria)
aa = model.pessimist(pt)
# Add errors in assignment examples
aa_err = aa.copy()
aa_erroned = add_errors_in_assignments(aa_err, model.categories,
pcerrors / 100)
gi_worst = AlternativePerformances('worst', {c.id: 0
for c in model.criteria})
gi_best = AlternativePerformances('best', {c.id: 1
for c in model.criteria})
css = CriteriaValues([])
for c in model.criteria:
cs = CriterionValue(c.id, ns)
css.append(cs)
# Run linear program
t1 = time.time()
lp = LpAVFSort(model.criteria, css,
model.categories_profiles.to_categories(),
gi_worst, gi_best)
t2 = time.time()
obj, cv_l, cfs_l, catv_l = lp.solve(aa_err, pt)
t3 = time.time()
model2 = AVFSort(model.criteria, cv_l, cfs_l, catv_l)
# Compute new assignment and classification accuracy
aa2 = model2.get_assignments(pt)
ok = ok_errors = ok2 = ok2_errors = 0
for alt in a:
if aa_err(alt.id) == aa2(alt.id):
ok2 += 1
if alt.id in aa_erroned:
ok2_errors += 1
if aa(alt.id) == aa2(alt.id):
ok += 1
if alt.id in aa_erroned:
ok_errors += 1
total = len(a)
ca2 = ok2 / total
ca2_errors = ok2_errors / total
ca = ok / total
ca_errors = ok_errors / total
# Perform the generalization
a_gen = generate_alternatives(na_gen)
pt_gen = generate_random_performance_table(a_gen, model.criteria)
aa = model.pessimist(pt_gen)
aa2 = model2.get_assignments(pt_gen)
ca_gen = compute_ca(aa, aa2)
# Save all infos in test_result class
t = test_result("%s-%d-%d-%d-%d-%d-%g" % (seed, na, nc, ncat, ns,
na_gen, pcerrors))
# Input params
t['seed'] = seed
t['na'] = na
t['nc'] = nc
t['ncat'] = ncat
t['ns'] = ns
t['na_gen'] = na_gen
t['pcerrors'] = pcerrors
# Output params
t['obj'] = obj
t['ca'] = ca
t['ca_errors'] = ca_errors
t['ca2'] = ca2
t['ca2_errors'] = ca2_errors
t['ca_gen'] = ca_gen
t['t_total'] = t3 - t1
t['t_const'] = t2 - t1
t['t_solve'] = t3 - t2
return t