def __init__(self,
outputs,
inputs,
k=None,
hypers=None,
params=None,
distargs=None,
rng=None):
self.rng = gu.gen_rng() if rng is None else rng
self.outputs = outputs
self.inputs = inputs
self.rng = gu.gen_rng() if rng is None else rng
assert len(self.outputs) == 1
assert len(self.inputs) >= 1
assert self.outputs[0] not in self.inputs
assert len(distargs['inputs']['stattypes']) == len(self.inputs)
self.stattypes = distargs['inputs']['stattypes']
# Number of output categories and input dimension.
# XXX WHATTA HACK. BayesDB passes in top-level kwargs, not in distargs.
self.k = k if k is not None else int(distargs['k'])
self.p = len(distargs['inputs']['stattypes'])
# Sufficient statistics.
self.N = 0
self.data = Data(x=OrderedDict(), Y=OrderedDict())
self.counts = [0] * self.k
# Outlier and random forest parameters.
if params is None: params = {}
self.alpha = params.get('alpha', .1)
self.regressor = params.get('forest', None)
if self.regressor is None:
self.regressor = RandomForestClassifier(random_state=self.rng)
def serialize_generic(Model, additional=None):
"""Model is either State or Engine class."""
# Create categorical data of DATA_NUM_0 zeros and DATA_NUM_1 ones.
data = np.random.normal(size=(100,5))
data[:,0] = 0
# Run a single chain for a few iterations.
model = Model(
data,
cctypes=['bernoulli','normal','normal','normal','normal'],
rng=gu.gen_rng(0))
model.transition(N=1, checkpoint=1)
# To metadata.
metadata = model.to_metadata()
modname = importlib.import_module(metadata['factory'][0])
builder = getattr(modname, metadata['factory'][1])
model = builder.from_metadata(metadata)
# To JSON.
json_metadata = json.dumps(model.to_metadata())
model = builder.from_metadata(json.loads(json_metadata))
# To pickle.
with tempfile.NamedTemporaryFile(prefix='gpmcc-serialize') as temp:
with open(temp.name, 'w') as f:
model.to_pickle(f)
with open(temp.name, 'r') as f:
# Use the file itself
model = Model.from_pickle(f, rng=gu.gen_rng(10))
if additional:
additional(model)
# Use the filename as a string
model = Model.from_pickle(temp.name, rng=gu.gen_rng(10))
if additional:
additional(model)
def test_dependence_probability_pairwise():
cctypes, distargs = cu.parse_distargs(['normal', 'normal', 'normal'])
T, Zv, _Zc = tu.gen_data_table(10, [.5, .5], [[.25, .25, .5], [.3, .7]],
cctypes,
distargs, [.95] * len(cctypes),
rng=gu.gen_rng(100))
outputs = [0, 1, 2]
engine = Engine(T.T,
outputs=outputs,
cctypes=cctypes,
num_states=4,
distargs=distargs,
Zv={o: z
for o, z in zip(outputs, Zv)},
rng=gu.gen_rng(0))
Ds = engine.dependence_probability_pairwise(multiprocess=0)
assert len(Ds) == engine.num_states()
assert all(np.shape(D) == (len(outputs), len(outputs)) for D in Ds)
for D in Ds:
for col0, col1 in itertools.product(outputs, outputs):
i0 = outputs.index(col0)
i1 = outputs.index(col1)
actual = D[i0, i1]
expected = Zv[i0] == Zv[i1]
assert actual == expected
Ds = engine.dependence_probability_pairwise(colnos=[0, 2], multiprocess=0)
assert len(Ds) == engine.num_states()
assert all(np.shape(D) == (2, 2) for D in Ds)
def engine():
# Set up the data generation
cctypes, distargs = cu.parse_distargs([
'normal',
'poisson',
'bernoulli',
'categorical(k=4)',
'lognormal',
'exponential',
'beta',
'geometric',
'vonmises',
])
T, Zv, Zc = tu.gen_data_table(20, [1], [[.25, .25, .5]],
cctypes,
distargs, [.95] * len(cctypes),
rng=gu.gen_rng(10))
return Engine(T.T,
cctypes=cctypes,
distargs=distargs,
num_states=4,
rng=gu.gen_rng(312),
multiprocess=False)
def test_transition_hypers(cctype):
name, arg = cctype
model = cu.cctype_class(name)(outputs=[0],
inputs=None,
distargs=arg,
rng=gu.gen_rng(10))
D, Zv, Zc = tu.gen_data_table(50, [1], [[.33, .33, .34]], [name], [arg],
[.8],
rng=gu.gen_rng(1))
hypers_previous = model.get_hypers()
for rowid, x in enumerate(np.ravel(D)[:25]):
model.incorporate(rowid, {0: x}, None)
model.transition_hypers(N=3)
hypers_new = model.get_hypers()
assert not all(
np.allclose(hypers_new[hyper], hypers_previous[hyper])
for hyper in hypers_new)
for rowid, x in enumerate(np.ravel(D)[:25]):
model.incorporate(rowid + 25, {0: x}, None)
model.transition_hypers(N=3)
hypers_newer = model.get_hypers()
assert not all(
np.allclose(hypers_new[hyper], hypers_newer[hyper])
for hyper in hypers_newer)
def test_crp_simple(N, alpha, seed):
# Obtain the partitions.
A = gu.simulate_crp(N, alpha, rng=gu.gen_rng(seed))
Nk = list(np.bincount(A))
crp = simulate_crp_gpm(N, alpha, rng=gu.gen_rng(seed))
assert A == crp.data.values()
assert_crp_equality(alpha, Nk, crp)
def test_complex_independent_relationships_lovecat():
rng = gu.gen_rng(1)
D = rng.normal(size=(10, 1))
T = np.repeat(D, 10, axis=1)
Ci = [(2, 8), (0, 3)]
Cd = [(2, 3), (0, 8)]
state = State(T, cctypes=['normal'] * 10, Ci=Ci, Cd=Cd, rng=gu.gen_rng(0))
state.transition_lovecat(N=1000, progress=1)
vu.validate_crp_constrained_partition(state.Zv(), Cd, Ci, {}, {})
def test_naive_bayes_independence_lovecat():
rng = gu.gen_rng(1)
D = rng.normal(size=(10, 1))
T = np.repeat(D, 10, axis=1)
Ci = list(itertools.combinations(range(10), 2))
state = State(T, cctypes=['normal'] * 10, Ci=Ci, rng=gu.gen_rng(0))
state.transition(N=10, progress=0)
vu.validate_crp_constrained_partition(state.Zv(), [], Ci, {}, {})
state.transition_lovecat(N=100, progress=0)
vu.validate_crp_constrained_partition(state.Zv(), [], Ci, {}, {})
def test_no_constraints():
N, alpha = 10, .4
Cd = Ci = []
Rd = Ri = {}
Z = gu.simulate_crp_constrained(
N, alpha, Cd, Ci, Rd, Ri, rng=gu.gen_rng(0))
assert vu.validate_crp_constrained_partition(Z, Cd, Ci, Rd, Ri)
Z = gu.simulate_crp_constrained_dependent(
N, alpha, Cd, rng=gu.gen_rng(0))
assert vu.validate_crp_constrained_partition(Z, Cd, [], [], [])
def test_all_friends():
N, alpha = 10, 1.4
Cd = [range(N)]
Ci = []
Rd = Ri = {}
Z = gu.simulate_crp_constrained(
N, alpha, Cd, Ci, Rd, Ri, rng=gu.gen_rng(0))
assert vu.validate_crp_constrained_partition(Z, Cd, Ci, Rd, Ri)
Z = gu.simulate_crp_constrained_dependent(
N, alpha, Cd, rng=gu.gen_rng(0))
assert vu.validate_crp_constrained_partition(Z, Cd, [], [], [])
def test_dependence_probability():
'''Test that Loom correctly recovers a 2-view dataset.'''
D, Zv, Zc = tu.gen_data_table(n_rows=150,
view_weights=None,
cluster_weights=[
[.2, .2, .2, .4],
[.3, .2, .5],
],
cctypes=['normal'] * 6,
distargs=[None] * 6,
separation=[0.95] * 6,
view_partition=[0, 0, 0, 1, 1, 1],
rng=gu.gen_rng(12))
engine = Engine(
D.T,
outputs=[7, 2, 12, 80, 129, 98],
cctypes=['normal'] * len(D),
distargs=[None] * 6,
rng=gu.gen_rng(122),
num_states=20,
)
logscore0 = engine.logpdf_score()
engine.transition_loom(N=100)
logscore1 = engine.logpdf_score()
assert numpy.mean(logscore1) > numpy.mean(logscore0)
dependence_probability = numpy.mean(
engine.dependence_probability_pairwise(), axis=0)
assert dependence_probability[0, 1] > 0.8
assert dependence_probability[1, 2] > 0.8
assert dependence_probability[0, 2] > 0.8
assert dependence_probability[3, 4] > 0.8
assert dependence_probability[4, 5] > 0.8
assert dependence_probability[3, 5] > 0.8
assert dependence_probability[0, 3] < 0.2
assert dependence_probability[0, 4] < 0.2
assert dependence_probability[0, 5] < 0.2
assert dependence_probability[1, 3] < 0.2
assert dependence_probability[1, 4] < 0.2
assert dependence_probability[1, 5] < 0.2
assert dependence_probability[2, 3] < 0.2
assert dependence_probability[2, 4] < 0.2
assert dependence_probability[2, 5] < 0.2
def test_serialize():
rng = gu.gen_rng(1)
data = rng.rand(20, 5)
data[:10,-1] = 0
data[10:,-1] = 1
kde = MultivariateKde(
range(5), None,
distargs={O: {ST: [N, N, N, N, C], SA: [{},{},{},{},{'k':1}]}}, rng=rng)
for rowid, x in enumerate(data):
kde.incorporate(rowid, dict(zip(range(5), x)))
kde.transition()
metadata_s = json.dumps(kde.to_metadata())
metadata_l = json.loads(metadata_s)
modname = importlib.import_module(metadata_l['factory'][0])
builder = getattr(modname, metadata_l['factory'][1])
kde2 = builder.from_metadata(metadata_l, rng=rng)
# Variable indexes.
assert kde2.outputs == kde.outputs
assert kde2.inputs == kde.inputs
# Distargs.
assert kde2.get_distargs() == kde.get_distargs()
# Dataset.
assert kde2.data == kde.data
assert kde2.N == kde.N
# Bandwidth params.
assert np.allclose(kde2.bw, kde.bw)
# Statistical types.
assert kde2.stattypes == kde.stattypes
def __init__(self, outputs, inputs, hypers, params, distargs, rng):
assert len(outputs) == 1
assert not inputs
self.outputs = list(outputs)
self.inputs = []
self.data = dict()
self.rng = gu.gen_rng() if rng is None else rng
def test_serialize():
# Direct factor anaysis
rng = gu.gen_rng(12)
iris = sklearn.datasets.load_iris()
fact = FactorAnalysis([1, 2, 3, 4, -5, 47], None, L=2, rng=rng)
for i, row in enumerate(iris.data):
fact.incorporate(i, {q: v for q, v in zip(fact.outputs, row)})
metadata = json.dumps(fact.to_metadata())
metadata = json.loads(metadata)
modname = importlib.import_module(metadata['factory'][0])
builder = getattr(modname, metadata['factory'][1])
fact2 = builder.from_metadata(metadata, rng=rng)
assert fact2.L == fact.L
assert fact2.D == fact.D
# Varible indexes.
assert fact2.outputs == fact.outputs
assert fact2.latents == fact.latents
# Dataset.
assert fact2.data == fact.data
assert fact2.N == fact.N
# Parameters of Factor Analysis.
assert np.allclose(fact2.mux, fact.mux)
assert np.allclose(fact2.Psi, fact.Psi)
assert np.allclose(fact2.W, fact.W)
# Parameters of joint distribution [x,z].
assert np.allclose(fact2.mu, fact.mu)
assert np.allclose(fact2.cov, fact.cov)
def __init__(self, outputs, inputs, K=None, M=None, distargs=None,
params=None, rng=None):
# Input validation.
self._validate_init(outputs, inputs, K, M, distargs, params, rng)
# Default arguments.
if params is None:
params = {}
if rng is None:
rng = gu.gen_rng(1)
if M is None:
M = K
# Build the object.
self.rng = rng
# Varible indexes.
self.outputs = outputs
self.inputs = []
# Distargs.
self.stattypes = distargs['outputs']['stattypes']
self.statargs = distargs['outputs']['statargs']
self.levels = {
o: self.statargs[i]['k']
for i, o in enumerate(outputs) if self.stattypes[i] != 'numerical'
}
# Dataset.
self.data = OrderedDict()
self.N = 0
# Ordering of the chain.
self.ordering = list(self.rng.permutation(self.outputs))
# Number of nearest neighbors.
self.K = K
self.M = M
def state():
# Set up the data generation
cctypes, distargs = cu.parse_distargs(
['normal', 'poisson', 'bernoulli', 'lognormal', 'beta', 'vonmises'])
T, Zv, Zc = tu.gen_data_table(30, [1], [[.25, .25, .5]],
cctypes,
distargs, [.95] * len(cctypes),
rng=gu.gen_rng(0))
T = T.T
s = State(T,
cctypes=cctypes,
distargs=distargs,
Zv={i: 0
for i in xrange(len(cctypes))},
rng=gu.gen_rng(0))
return s
def test_categorical_forest_manual_inputs_errors():
state = State(
T, cctypes=CCTYPES, distargs=DISTARGS, rng=gu.gen_rng(1))
state.transition(N=1, progress=False)
cat_id = CCTYPES.index('categorical')
# Put 1201 into the first view.
view_idx = min(state.views)
state.incorporate_dim(
T[:,CCTYPES.index('categorical')], outputs=[1201],
cctype='categorical', distargs=DISTARGS[cat_id], v=view_idx)
# Updating cctype with completely invalid input should raise.
with pytest.raises(Exception):
distargs = DISTARGS[cat_id].copy()
distargs['inputs'] = [10000]
state.update_cctype(1201, 'random_forest', distargs=distargs)
# Updating cctype with input dimensions outside the view should raise.
cols_in_view = state.views[view_idx].dims.keys()
cols_out_view = [c for c in state.outputs if c not in cols_in_view]
assert len(cols_in_view) > 0 and len(cols_out_view) > 0
with pytest.raises(Exception):
distargs = DISTARGS[cat_id].copy()
distargs['inputs'] = cols_out_view
state.update_cctype(1201, 'random_forest', distargs=distargs)
# Updating cctype with no input dimensions should raise.
with pytest.raises(Exception):
distargs = DISTARGS[cat_id].copy()
distargs['inputs'] = []
state.update_cctype(1201, 'random_forest', distargs=distargs)
def __init__(self, outputs, inputs, rng=None, expression=None, **kwargs):
# Set the rng.
self.rng = rng if rng is not None else gu.gen_rng(1)
seed = self.rng.randint(1, 2**31 - 1)
# Basic input and output checking.
if len(outputs) != 1:
raise ValueError('InlineVsCgpm produces 1 output only.')
if len(set(inputs)) != len(inputs):
raise ValueError('Non unique inputs: %s' % inputs)
if not all(o not in inputs for o in outputs):
raise ValueError('Duplicates: %s, %s' % (inputs, outputs))
if not all(i not in outputs for i in inputs):
raise ValueError('Duplicates: %s, %s' % (inputs, outputs))
# Retrieve the expression.
if expression is None:
raise ValueError('Missing expression: %s' % expression)
# Save the outputs.
self.outputs = outputs
# Check correct inputs against the expression.
self._validate_expression_concrete(expression, inputs)
# Store the inputs and expression.
self.inputs = inputs
self.expression = expression
# Execute the program in the ripl to make sure it parses.
self.ripl = vs.make_lite_ripl(seed=seed)
self.ripl.execute_program(self.expression)
self.ripl.execute_program('assume uniform = uniform_continuous')
def test_incorporate_session():
rng = gu.gen_rng(4)
state = State(X,
cctypes=['normal'] * 5,
Zv={
0: 0,
1: 0,
2: 1,
3: 1,
4: 2
},
rng=rng)
# Incorporate row into a singleton cluster for all views.
previous = [len(state.views[v].Nk()) for v in [0, 1, 2]]
data = {i: rng.normal() for i in xrange(5)}
clusters = {
state.views[0].outputs[0]: previous[0],
state.views[1].outputs[0]: previous[1],
state.views[2].outputs[0]: previous[2],
}
state.incorporate(state.n_rows(), gu.merged(data, clusters))
assert [len(state.views[v].Nk()) for v in [0,1,2]] == \
[p+1 for p in previous]
# Incorporate row without specifying clusters, and some missing values
data = {i: rng.normal() for i in xrange(2)}
state.incorporate(state.n_rows(), data)
state.transition(N=3)
# Remove the incorporated rowid.
state.unincorporate(state.n_rows() - 1)
state.transition(N=3)
def test_view_serialize():
data = np.random.normal(size=(100,5))
data[:,0] = 0
# Run a single chain for a few iterations.
outputs = [2,4,6,8,10]
X = {c:data[:,i].tolist() for i,c in enumerate(outputs)}
model = View(
X,
cctypes=['bernoulli','normal','normal','normal','normal'],
outputs=[1000]+outputs,
rng=gu.gen_rng(0))
model.transition(N=1)
# Pick out some data.
# To metadata.
metadata = model.to_metadata()
modname = importlib.import_module(metadata['factory'][0])
builder = getattr(modname, metadata['factory'][1])
model2 = builder.from_metadata(metadata)
# Pick out some data.
assert np.allclose(model.alpha(), model.alpha())
assert dict(model2.Zr()) == dict(model.Zr())
assert np.allclose(
model.logpdf(-1, {0:0, 1:1}, {2:0}),
model2.logpdf(-1, {0:0, 1:1}, {2:0}))
assert np.allclose(
model.logpdf(-1, {0:0, 1:1}),
model2.logpdf(-1, {0:0, 1:1}))
def __init__(self,
outputs,
inputs,
hypers=None,
params=None,
distargs=None,
rng=None):
if params is None:
params = {}
self.outputs = outputs
self.inputs = inputs
self.rng = gu.gen_rng() if rng is None else rng
assert len(self.outputs) == 1
assert len(self.inputs) >= 1
assert self.outputs[0] not in self.inputs
assert len(distargs['inputs']['stattypes']) == len(self.inputs)
self.input_cctypes = distargs['inputs']['stattypes']
self.input_ccargs = distargs['inputs']['statargs']
# Determine number of covariates (with 1 bias term) and number of
# categories for categorical covariates.
p, counts = zip(*[
self._predictor_count(cctype, ccarg)
for cctype, ccarg in zip(self.input_cctypes, self.input_ccargs)
])
self.p = sum(p) + 1
self.inputs_discrete = {i: c for i, c in enumerate(counts) if c}
# Dataset.
self.N = 0
self.data = Data(x=OrderedDict(), Y=OrderedDict())
# Noise of the regression.
self.noise = params.get('noise', 1)
# Regressor.
self.regressor = params.get('regressor', None)
if self.regressor is None:
self.regressor = LinearRegression()
def test_cmi_different_views__ci_():
rng = gen_rng(0)
T = np.zeros((50,3))
T[:,0] = rng.normal(loc=-5, scale=1, size=50)
T[:,1] = rng.normal(loc=2, scale=2, size=50)
T[:,2] = rng.normal(loc=12, scale=3, size=50)
state = State(
T,
outputs=[0, 1, 2],
cctypes=['normal','normal','normal'],
Zv={0:0, 1:1, 2:2},
rng=rng
)
state.transition(N=30,
kernels=['alpha','view_alphas','column_params','column_hypers','rows'])
mi01 = state.mutual_information([0], [1])
mi02 = state.mutual_information([0], [2])
mi12 = state.mutual_information([1], [2])
# Marginal MI all zero.
assert np.allclose(mi01, 0)
assert np.allclose(mi02, 0)
assert np.allclose(mi12, 0)
# CMI on variable in other view equal to MI.
assert np.allclose(state.mutual_information([0], [1], {2:10}), mi01)
assert np.allclose(state.mutual_information([0], [2], {1:0}), mi02)
assert np.allclose(state.mutual_information([1], [2], {0:-2}), mi12)
assert np.allclose(state.mutual_information([1], [2], {0:None}, T=5), mi12)
def __init__(self, outputs, inputs, hypers=None, params=None, distargs=None,
rng=None):
# io data.
self.outputs = outputs
self.inputs = inputs
self.rng = gu.gen_rng() if rng is None else rng
assert len(self.outputs) == 1
assert len(self.inputs) >= 1
assert self.outputs[0] not in self.inputs
assert len(distargs['inputs']['stattypes']) == len(self.inputs)
self.input_cctypes = distargs['inputs']['stattypes']
self.input_ccargs = distargs['inputs']['statargs']
# Determine number of covariates (with 1 bias term) and number of
# categories for categorical covariates.
p, counts = zip(*[
self._predictor_count(cctype, ccarg) for cctype, ccarg
in zip(self.input_cctypes, self.input_ccargs)])
self.p = sum(p)+1
self.inputs_discrete = {i:c for i, c in enumerate(counts) if c}
# For numerical covariates, map index in inputs to index in code.
self.lookup_numerical_index = self.input_to_code_index()
# Dataset.
self.N = 0
self.data = Data(x=OrderedDict(), Y=OrderedDict())
# Hyper parameters.
if hypers is None: hypers = {}
self.a = hypers.get('a', 1.)
self.b = hypers.get('b', 1.)
self.mu = hypers.get('mu', np.zeros(self.p))
self.V = hypers.get('V', np.eye(self.p))
def test_two_views_column_partition_normal__ci_(lovecat):
D = retrieve_normal_dataset()
engine = Engine(D.T,
outputs=[5, 0, 1, 2, 3, 4],
cctypes=['normal'] * len(D),
rng=gu.gen_rng(12),
num_states=64)
if lovecat:
engine.transition_lovecat(N=200)
else:
engine.transition(N=200)
P = engine.dependence_probability_pairwise()
R1 = engine.row_similarity_pairwise(cols=[5, 0, 1])
R2 = engine.row_similarity_pairwise(cols=[2, 3, 4])
pu.plot_clustermap(P)
pu.plot_clustermap(R1)
pu.plot_clustermap(R2)
P_THEORY = [
[1, 1, 1, 0, 0, 0],
[1, 1, 1, 0, 0, 0],
[1, 1, 1, 0, 0, 0],
[0, 0, 0, 1, 1, 1],
[0, 0, 0, 1, 1, 1],
[0, 0, 0, 1, 1, 1],
]
return engine
def test_two_views_row_partition_bernoulli__ci_(lovecat):
D = retrieve_bernoulli_dataset()
if lovecat:
engine = Engine(D.T,
cctypes=['categorical'] * len(D),
distargs=[{
'k': 2
}] * len(D),
Zv={
0: 0,
1: 0,
2: 1,
3: 1
},
rng=gu.gen_rng(12),
num_states=64)
engine.transition_lovecat(N=100,
kernels=[
'row_partition_assignments',
'row_partition_hyperparameters',
'column_hyperparameters',
])
else:
engine = Engine(D.T,
cctypes=['bernoulli'] * len(D),
Zv={
0: 0,
1: 0,
2: 1,
3: 1
},
rng=gu.gen_rng(12),
num_states=64)
engine.transition(N=100,
kernels=[
'view_alphas',
'rows',
'column_hypers',
])
R1 = engine.row_similarity_pairwise(cols=[0, 1])
R2 = engine.row_similarity_pairwise(cols=[2, 3])
pu.plot_clustermap(R1)
pu.plot_clustermap(R2)
return engine
def from_metadata(cls, metadata, rng=None):
if rng is None:
rng = gu.gen_rng(0)
return cls(outputs=metadata['outputs'],
inputs=metadata['inputs'],
sigma=metadata['sigma'],
flip=metadata['flip'],
rng=rng)
def test_poisson_categorical():
state = State(
T, cctypes=CCTYPES, distargs=DISTARGS, rng=gu.gen_rng(0))
state.transition(N=1, progress=False)
state.update_cctype(CCTYPES.index('categorical'), 'poisson')
state.transition(N=1, progress=False)
state.update_cctype(CCTYPES.index('categorical'), 'categorical',
distargs={'k':2})
def test_independence_inference_quality_lovecat():
rng = gu.gen_rng(584)
column_view_1 = rng.normal(loc=0, size=(50, 1))
column_view_2 = np.concatenate((
rng.normal(loc=10, size=(25, 1)),
rng.normal(loc=20, size=(25, 1)),
))
data_view_1 = np.repeat(column_view_1, 4, axis=1)
data_view_2 = np.repeat(column_view_2, 4, axis=1)
data = np.column_stack((data_view_1, data_view_2))
Zv0 = {i: 0 for i in xrange(8)}
state = State(data, Zv=Zv0, cctypes=['normal'] * 8, rng=gu.gen_rng(10))
state.transition_lovecat(N=100, progress=1)
for col in [
0,
1,
2,
3,
]:
assert state.Zv(col) == state.Zv(0)
for col in [4, 5, 6, 7]:
assert state.Zv(col) == state.Zv(4)
assert state.Zv(0) != state.Zv(4)
# Get lovecat to merge the dependent columns into one view.
Cd = [(0, 1), (2, 3), (4, 5), (6, 7)]
Zv0 = {0: 0, 1: 0, 2: 1, 3: 1, 4: 2, 5: 2, 6: 3, 7: 3}
state = State(data,
Zv=Zv0,
cctypes=['normal'] * 8,
Cd=Cd,
rng=gu.gen_rng(1))
state.transition_lovecat(N=100, progress=1)
for col in [
0,
1,
2,
3,
]:
assert state.Zv(col) == state.Zv(0)
for col in [4, 5, 6, 7]:
assert state.Zv(col) == state.Zv(4)
assert state.Zv(0) != state.Zv(4)
def from_metadata(cls, metadata, rng=None):
if rng is None:
rng = gu.gen_rng(0)
return cls(
outputs=metadata['outputs'],
inputs=metadata['inputs'],
rng=rng,
)
def test_complex_relationships():
N, alpha = 15, 10
Cd = [(0,1,4), (2,3,5), (8,7)]
Ci = [(2,8), (0,3)]
Rd = Ri = {}
Z = gu.simulate_crp_constrained(
N, alpha, Cd, Ci, Rd, Ri, rng=gu.gen_rng(0))
assert vu.validate_crp_constrained_partition(Z, Cd, Ci, Rd, Ri)
