def test_constructor(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
engine_B = WeightEngine(data=data, meta=meta)
self.assertIsNotNone(engine_B._df)
self.assertTrue(engine_B.dropna)
self.assertEqual(engine_B.schemes, {})
self.assertIsInstance(engine_B.schemes, dict)
def test_group_targets(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
weight = '_'.join(
['weights',
self.scheme_name_A3]
)
# Run weights for scheme_A3
engine_B = WeightEngine(data=data, meta=meta)
engine_B.add_scheme(scheme=self.scheme_A3, key='identity')
engine_B.run()
data_A3 = engine_B.dataframe("scheme_name_A3")
# check identical weighted column frequencies
df = data_A3.pivot_table(
values=[weight],
index=['profile_gender'],
columns=['age_group'],
aggfunc='sum'
)
for column in df.columns.tolist():
self.assertTrue(
numpy.allclose(df[column].values, numpy.array([1.645, 1.855]))
)
#check the weight column counts & sum are equal to index length (14)
a = numpy.asscalar(data_A3[weight].count())
b = numpy.asscalar(data_A3[weight].sum())
c = data_A3.shape[0]
self.assertTrue(int(a) == int(b) == int(c))
# check weighted group frequencies have euqal proportions
values = data_A3.pivot_table(
values=[weight],
index=['age_group'],
aggfunc='sum'
).values
self.assertTrue(numpy.allclose(values, 3.5))
def test_group_targets(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
weight = '_'.join(['weights', self.scheme_name_A3])
# Run weights for scheme_A3
engine_B = WeightEngine(data=data, meta=meta)
engine_B.add_scheme(scheme=self.scheme_A3, key='identity')
engine_B.run()
data_A3 = engine_B.dataframe("scheme_name_A3")
# check identical weighted column frequencies
df = data_A3.pivot_table(values=[weight],
index=['profile_gender'],
columns=['age_group'],
aggfunc='sum')
for column in df.columns.tolist():
self.assertTrue(
numpy.allclose(df[column].values, numpy.array([1.645, 1.855])))
#check the weight column counts & sum are equal to index length (14)
a = numpy.asscalar(data_A3[weight].count())
b = numpy.asscalar(data_A3[weight].sum())
c = data_A3.shape[0]
self.assertTrue(int(a) == int(b) == int(c))
# check weighted group frequencies have euqal proportions
values = data_A3.pivot_table(values=[weight],
index=['age_group'],
aggfunc='sum').values
self.assertTrue(numpy.allclose(values, 3.5))
def setUp(self):
''' Simple engine without meta - engine_A
'''
path_data = 'tests/engine_A_data.csv'
data = pd.read_csv(path_data)
# Setup engine_A
self.engine_A = WeightEngine(data=data)
self.scheme_name_A1 = 'scheme_name_A1'
self.scheme_name_A2 = 'scheme_name_A2'
self.scheme_name_A3 = 'scheme_name_A3'
# Setup schemes to use in tests
self.scheme_A1 = Rim(self.scheme_name_A1)
self.scheme_A1.lists = ['column1', 'column2']
self.scheme_A1.add_group(name='Senior Type 1', filter='column3==1',
targets={
'column1': [32.00, 31.00, 37.00],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 2', filter='column3==1',
targets={
'column1': [33.40, 33.40, 33.20],
'column2': [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11]
})
self.scheme_A1.add_group(name='Senior Type 3', filter='column3==3',
targets={
'column1': [33.2, 29.7, 37.1],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 4', filter='column3==4',
targets={
'column1': [33.2, 29.7, 37.1],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34, 12.00]
})
self.scheme_A2 = Rim(self.scheme_name_A2)
self.scheme_A2.lists = ['column1', 'column2']
self.scheme_A2.add_group(name='Senior Type 1', filter='column3==1',
targets={
'column1': [37.00, 32.00, 31.00],
'column2': [13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 2', filter='column3==1',
targets={
'column1': [33.2, 33.40, 33.40],
'column2': [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11]
})
self.scheme_A2.add_group(name='Senior Type 3', filter='column3==3',
targets={
'column1': [37.1, 33.2, 29.7],
'column2': [13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 4', filter='column3==4',
targets={
'column1': [37.1, 33.2, 29.7],
'column2': [12.00, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34]
})
self.scheme_A3 = Rim(self.scheme_name_A3)
self.scheme_A3.lists = ['profile_gender']
self.scheme_A3.targets = {'profile_gender' : [47, 53]}
self.scheme_A3.add_group(
name='11-19', filter='age_group=2', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='31-39', filter='age_group=4', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='41-49', filter='age_group=5', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='51-59', filter='age_group=6', targets=self.scheme_A3.targets
)
self.scheme_A3.group_targets({
'11-19': 25,
'31-39': 25,
'41-49': 25,
'51-59': 25
})
''' Complex engine with meta - engine_B
'''
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
self.scheme_name_B1 = 'scheme_name_B1'
engine_B = WeightEngine(data=data, meta=meta)
# Setup schemes to use in tests
self.scheme_B1 = Rim(self.scheme_name_B1)
self.scheme_B1.lists = ['profile_gender', 'age_group']
class TestEngine(unittest.TestCase):
def setUp(self):
''' Simple engine without meta - engine_A
'''
path_data = 'tests/engine_A_data.csv'
data = pd.read_csv(path_data)
# Setup engine_A
self.engine_A = WeightEngine(data=data)
self.scheme_name_A1 = 'scheme_name_A1'
self.scheme_name_A2 = 'scheme_name_A2'
self.scheme_name_A3 = 'scheme_name_A3'
# Setup schemes to use in tests
self.scheme_A1 = Rim(self.scheme_name_A1)
self.scheme_A1.lists = ['column1', 'column2']
self.scheme_A1.add_group(name='Senior Type 1', filter='column3==1',
targets={
'column1': [32.00, 31.00, 37.00],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 2', filter='column3==1',
targets={
'column1': [33.40, 33.40, 33.20],
'column2': [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11]
})
self.scheme_A1.add_group(name='Senior Type 3', filter='column3==3',
targets={
'column1': [33.2, 29.7, 37.1],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 4', filter='column3==4',
targets={
'column1': [33.2, 29.7, 37.1],
'column2': [23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34, 12.00]
})
self.scheme_A2 = Rim(self.scheme_name_A2)
self.scheme_A2.lists = ['column1', 'column2']
self.scheme_A2.add_group(name='Senior Type 1', filter='column3==1',
targets={
'column1': [37.00, 32.00, 31.00],
'column2': [13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 2', filter='column3==1',
targets={
'column1': [33.2, 33.40, 33.40],
'column2': [11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11, 11.11]
})
self.scheme_A2.add_group(name='Senior Type 3', filter='column3==3',
targets={
'column1': [37.1, 33.2, 29.7],
'column2': [13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 4', filter='column3==4',
targets={
'column1': [37.1, 33.2, 29.7],
'column2': [12.00, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34]
})
self.scheme_A3 = Rim(self.scheme_name_A3)
self.scheme_A3.lists = ['profile_gender']
self.scheme_A3.targets = {'profile_gender' : [47, 53]}
self.scheme_A3.add_group(
name='11-19', filter='age_group=2', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='31-39', filter='age_group=4', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='41-49', filter='age_group=5', targets=self.scheme_A3.targets
)
self.scheme_A3.add_group(
name='51-59', filter='age_group=6', targets=self.scheme_A3.targets
)
self.scheme_A3.group_targets({
'11-19': 25,
'31-39': 25,
'41-49': 25,
'51-59': 25
})
''' Complex engine with meta - engine_B
'''
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
self.scheme_name_B1 = 'scheme_name_B1'
engine_B = WeightEngine(data=data, meta=meta)
# Setup schemes to use in tests
self.scheme_B1 = Rim(self.scheme_name_B1)
self.scheme_B1.lists = ['profile_gender', 'age_group']
# self.scheme_B1.set_targets()
def test_constructor(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
engine_B = WeightEngine(data=data, meta=meta)
self.assertIsNotNone(engine_B._df)
self.assertTrue(engine_B.dropna)
self.assertEqual(engine_B.schemes, {})
self.assertIsInstance(engine_B.schemes, dict)
def test_add_scheme_and_dataframe(self):
#A list of scheme names used in setUp used for comparison
scheme_names = [self.scheme_name_A1, self.scheme_name_A2]
self.engine_A.add_scheme(scheme=self.scheme_A2, key='identity')
# Should now contain a dict with scheme_name_A2 as the first key
self.assertEqual(self.engine_A.schemes.keys()[0], self.scheme_name_A2)
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
# Should now contain a dict with scheme_name_A2 and scheme_name_A1 as keys
for key in self.engine_A.schemes:
self.assertIn(key, scheme_names)
self.assertIn('identity', self.engine_A.schemes[key]['key'])
# Sets weights_scheme_name_A1 and weights_scheme_name_A2 to ones
self.engine_A._df[self.scheme_A1.weight_name()] = pd.np.ones(len(self.engine_A._df))
self.engine_A._df[self.scheme_A2.weight_name()] = pd.np.ones(len(self.engine_A._df))
for key in self.engine_A.schemes:
weight_scheme = self.engine_A._df['weights_'+key]
boolean_vector = (weight_scheme == pd.np.ones(len(weight_scheme)))
self.assertTrue(boolean_vector.all())
self.engine_A.run(schemes=[key])
boolean_vector = (weight_scheme == pd.np.ones(len(weight_scheme)))
self.assertFalse(boolean_vector.all())
def test_add_scheme_no_key(self):
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
self.assertIsNotNone(self.engine_A.schemes[self.scheme_name_A1]['key'])
def test_weight_lazy(self):
return
self.engine_A.add_scheme(scheme=self.scheme_A2, key='identity')
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
self.assertNotIn('weights_scheme_name_A2', self.engine_A._df.columns)
self.engine_A.weight()
self.assertIn('weights_%s' % self.scheme_name_A1, self.engine_A._df.columns)
self.assertIn('weights_%s' % self.scheme_name_A2, self.engine_A._df.columns)
def test_group_targets(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
weight = '_'.join(
['weights',
self.scheme_name_A3]
)
# Run weights for scheme_A3
engine_B = WeightEngine(data=data, meta=meta)
engine_B.add_scheme(scheme=self.scheme_A3, key='identity')
engine_B.run()
data_A3 = engine_B.dataframe("scheme_name_A3")
# check identical weighted column frequencies
df = data_A3.pivot_table(
values=[weight],
index=['profile_gender'],
columns=['age_group'],
aggfunc='sum'
)
for column in df.columns.tolist():
self.assertTrue(
numpy.allclose(df[column].values, numpy.array([1.645, 1.855]))
)
#check the weight column counts & sum are equal to index length (14)
a = numpy.asscalar(data_A3[weight].count())
b = numpy.asscalar(data_A3[weight].sum())
c = data_A3.shape[0]
self.assertTrue(int(a) == int(b) == int(c))
# check weighted group frequencies have euqal proportions
values = data_A3.pivot_table(
values=[weight],
index=['age_group'],
aggfunc='sum'
).values
self.assertTrue(numpy.allclose(values, 3.5))
def setUp(self):
''' Simple engine without meta - engine_A
'''
path_data = 'tests/engine_A_data.csv'
data = pd.read_csv(path_data)
# Setup engine_A
self.engine_A = WeightEngine(data=data)
self.scheme_name_A1 = 'scheme_name_A1'
self.scheme_name_A2 = 'scheme_name_A2'
self.scheme_name_A3 = 'scheme_name_A3'
# Setup schemes to use in tests
self.scheme_A1 = Rim(self.scheme_name_A1)
self.scheme_A1.lists = ['column1', 'column2']
self.scheme_A1.add_group(
name='Senior Type 1',
filter='column3==1',
targets={
'column1': [32.00, 31.00, 37.00],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 2',
filter='column3==1',
targets={
'column1': [33.40, 33.40, 33.20],
'column2': [
11.11, 11.11, 11.11, 11.11, 11.11,
11.11, 11.11, 11.11, 11.11
]
})
self.scheme_A1.add_group(
name='Senior Type 3',
filter='column3==3',
targets={
'column1': [33.2, 29.7, 37.1],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(
name='Senior Type 4',
filter='column3==4',
targets={
'column1': [33.2, 29.7, 37.1],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34, 12.00]
})
self.scheme_A2 = Rim(self.scheme_name_A2)
self.scheme_A2.lists = ['column1', 'column2']
self.scheme_A2.add_group(
name='Senior Type 1',
filter='column3==1',
targets={
'column1': [37.00, 32.00, 31.00],
'column2':
[13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 2',
filter='column3==1',
targets={
'column1': [33.2, 33.40, 33.40],
'column2': [
11.11, 11.11, 11.11, 11.11, 11.11,
11.11, 11.11, 11.11, 11.11
]
})
self.scheme_A2.add_group(
name='Senior Type 3',
filter='column3==3',
targets={
'column1': [37.1, 33.2, 29.7],
'column2':
[13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(
name='Senior Type 4',
filter='column3==4',
targets={
'column1': [37.1, 33.2, 29.7],
'column2':
[12.00, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34]
})
self.scheme_A3 = Rim(self.scheme_name_A3)
self.scheme_A3.lists = ['profile_gender']
self.scheme_A3.targets = {'profile_gender': [47, 53]}
self.scheme_A3.add_group(name='11-19',
filter='age_group=2',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='31-39',
filter='age_group=4',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='41-49',
filter='age_group=5',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='51-59',
filter='age_group=6',
targets=self.scheme_A3.targets)
self.scheme_A3.group_targets({
'11-19': 25,
'31-39': 25,
'41-49': 25,
'51-59': 25
})
''' Complex engine with meta - engine_B
'''
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
self.scheme_name_B1 = 'scheme_name_B1'
engine_B = WeightEngine(data=data, meta=meta)
# Setup schemes to use in tests
self.scheme_B1 = Rim(self.scheme_name_B1)
self.scheme_B1.lists = ['profile_gender', 'age_group']
class TestEngine(unittest.TestCase):
def setUp(self):
''' Simple engine without meta - engine_A
'''
path_data = 'tests/engine_A_data.csv'
data = pd.read_csv(path_data)
# Setup engine_A
self.engine_A = WeightEngine(data=data)
self.scheme_name_A1 = 'scheme_name_A1'
self.scheme_name_A2 = 'scheme_name_A2'
self.scheme_name_A3 = 'scheme_name_A3'
# Setup schemes to use in tests
self.scheme_A1 = Rim(self.scheme_name_A1)
self.scheme_A1.lists = ['column1', 'column2']
self.scheme_A1.add_group(
name='Senior Type 1',
filter='column3==1',
targets={
'column1': [32.00, 31.00, 37.00],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(name='Senior Type 2',
filter='column3==1',
targets={
'column1': [33.40, 33.40, 33.20],
'column2': [
11.11, 11.11, 11.11, 11.11, 11.11,
11.11, 11.11, 11.11, 11.11
]
})
self.scheme_A1.add_group(
name='Senior Type 3',
filter='column3==3',
targets={
'column1': [33.2, 29.7, 37.1],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04, 13.3]
})
self.scheme_A1.add_group(
name='Senior Type 4',
filter='column3==4',
targets={
'column1': [33.2, 29.7, 37.1],
'column2':
[23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34, 12.00]
})
self.scheme_A2 = Rim(self.scheme_name_A2)
self.scheme_A2.lists = ['column1', 'column2']
self.scheme_A2.add_group(
name='Senior Type 1',
filter='column3==1',
targets={
'column1': [37.00, 32.00, 31.00],
'column2':
[13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(name='Senior Type 2',
filter='column3==1',
targets={
'column1': [33.2, 33.40, 33.40],
'column2': [
11.11, 11.11, 11.11, 11.11, 11.11,
11.11, 11.11, 11.11, 11.11
]
})
self.scheme_A2.add_group(
name='Senior Type 3',
filter='column3==3',
targets={
'column1': [37.1, 33.2, 29.7],
'column2':
[13.3, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 31.04]
})
self.scheme_A2.add_group(
name='Senior Type 4',
filter='column3==4',
targets={
'column1': [37.1, 33.2, 29.7],
'column2':
[12.00, 23.13, 14.32, 4.78, 4.70, 2.65, 2.61, 3.47, 32.34]
})
self.scheme_A3 = Rim(self.scheme_name_A3)
self.scheme_A3.lists = ['profile_gender']
self.scheme_A3.targets = {'profile_gender': [47, 53]}
self.scheme_A3.add_group(name='11-19',
filter='age_group=2',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='31-39',
filter='age_group=4',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='41-49',
filter='age_group=5',
targets=self.scheme_A3.targets)
self.scheme_A3.add_group(name='51-59',
filter='age_group=6',
targets=self.scheme_A3.targets)
self.scheme_A3.group_targets({
'11-19': 25,
'31-39': 25,
'41-49': 25,
'51-59': 25
})
''' Complex engine with meta - engine_B
'''
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
self.scheme_name_B1 = 'scheme_name_B1'
engine_B = WeightEngine(data=data, meta=meta)
# Setup schemes to use in tests
self.scheme_B1 = Rim(self.scheme_name_B1)
self.scheme_B1.lists = ['profile_gender', 'age_group']
# self.scheme_B1.set_targets()
def test_constructor(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
engine_B = WeightEngine(data=data, meta=meta)
self.assertIsNotNone(engine_B._df)
self.assertTrue(engine_B.dropna)
self.assertEqual(engine_B.schemes, {})
self.assertIsInstance(engine_B.schemes, dict)
def test_add_scheme_and_dataframe(self):
#A list of scheme names used in setUp used for comparison
scheme_names = [self.scheme_name_A1, self.scheme_name_A2]
self.engine_A.add_scheme(scheme=self.scheme_A2, key='identity')
# Should now contain a dict with scheme_name_A2 as the first key
self.assertEqual(self.engine_A.schemes.keys()[0], self.scheme_name_A2)
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
# Should now contain a dict with scheme_name_A2 and scheme_name_A1 as keys
for key in self.engine_A.schemes:
self.assertIn(key, scheme_names)
self.assertIn('identity', self.engine_A.schemes[key]['key'])
# Sets weights_scheme_name_A1 and weights_scheme_name_A2 to ones
self.engine_A._df[self.scheme_A1.weight_name()] = pd.np.ones(
len(self.engine_A._df))
self.engine_A._df[self.scheme_A2.weight_name()] = pd.np.ones(
len(self.engine_A._df))
for key in self.engine_A.schemes:
weight_scheme = self.engine_A._df['weights_' + key]
boolean_vector = (weight_scheme == pd.np.ones(len(weight_scheme)))
self.assertTrue(boolean_vector.all())
self.engine_A.run(schemes=[key])
boolean_vector = (weight_scheme == pd.np.ones(len(weight_scheme)))
self.assertFalse(boolean_vector.all())
def test_add_scheme_no_key(self):
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
self.assertIsNotNone(self.engine_A.schemes[self.scheme_name_A1]['key'])
def test_weight_lazy(self):
return
self.engine_A.add_scheme(scheme=self.scheme_A2, key='identity')
self.engine_A.add_scheme(scheme=self.scheme_A1, key='identity')
self.assertNotIn('weights_scheme_name_A2', self.engine_A._df.columns)
self.engine_A.weight()
self.assertIn('weights_%s' % self.scheme_name_A1,
self.engine_A._df.columns)
self.assertIn('weights_%s' % self.scheme_name_A2,
self.engine_A._df.columns)
def test_group_targets(self):
path_data = 'tests/engine_B_data.csv'
path_meta = 'tests/engine_B_meta.json'
data = pd.read_csv(path_data)
meta = json.load(file(path_meta))
weight = '_'.join(['weights', self.scheme_name_A3])
# Run weights for scheme_A3
engine_B = WeightEngine(data=data, meta=meta)
engine_B.add_scheme(scheme=self.scheme_A3, key='identity')
engine_B.run()
data_A3 = engine_B.dataframe("scheme_name_A3")
# check identical weighted column frequencies
df = data_A3.pivot_table(values=[weight],
index=['profile_gender'],
columns=['age_group'],
aggfunc='sum')
for column in df.columns.tolist():
self.assertTrue(
numpy.allclose(df[column].values, numpy.array([1.645, 1.855])))
#check the weight column counts & sum are equal to index length (14)
a = numpy.asscalar(data_A3[weight].count())
b = numpy.asscalar(data_A3[weight].sum())
c = data_A3.shape[0]
self.assertTrue(int(a) == int(b) == int(c))
# check weighted group frequencies have euqal proportions
values = data_A3.pivot_table(values=[weight],
index=['age_group'],
aggfunc='sum').values
self.assertTrue(numpy.allclose(values, 3.5))
