def test(x):
"""Basic usage"""
# instantiate a Mapper object
start = time.time()
filter = Projection(ax=2)
cover = KeplerCover(nintervals=25,
overlap=0.4)
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.05))
mapper = lm.Mapper(data=x,
filter=filter,
cover=cover,
cluster=cluster)
mapper.fit(skeleton_only=True).plot()
print('Martino mapper: {0:.4f} sec'.format(time.time()-start))
start = time.time()
mapper = km.KeplerMapper(verbose=2)
projected_data = mapper.fit_transform(x, projection=[2])
graph = mapper.map(
projected_data,
x,
nr_cubes=25,
overlap_perc=0.4,
clusterer=sklearn.cluster.AgglomerativeClustering(linkage='single'))
print('Kepler mapper: {0:.4f} sec'.format(time.time()-start))
return 0
def test1(x):
"""Basic usage"""
# instantiate a Mapper object
"""lmapper example usage"""
filter = Eccentricity(exponent=2, metric="euclidean")
cover = KeplerCover(nintervals=30, overlap=0.4)
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.05))
mapper = lm.Mapper(data=x, filter=filter, cover=cover, cluster=cluster)
mapper.fit(skeleton_only=True)
"""change of clustering algorithm"""
newcluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.1))
mapper.set_params(cluster=newcluster)
mapper.fit()
mapper.plot()
"""change of clustering algorithm"""
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.2))
mapper.set_params(cluster=cluster)
mapper.fit()
"""change of filter using a string argument"""
mapper.set_params(filter='Projection')
mapper.fit()
"""change of all parameters using a string argument"""
mapper.set_params(filter='Projection',
cover='UniformCover',
cluster='Linkage')
mapper.fit()
return mapper
def main():
data = cat()
filter = Projection(ax=0)
cover = UniformCover(nintervals=15, overlap=0.4)
cutoff = FirstGap(0.05)
cluster = Linkage(method='single', metric="euclidean", cutoff=cutoff)
mapper = lm.Mapper(data=data, filter=filter, cover=cover, cluster=cluster)
mapper.fit()
mapper.plot()
def test(x):
"""Basic usage"""
# instantiate a Mapper object
start = time.time()
filter = Eccentricity(nthreads=1)
cover = KeplerCover(nintervals=25, overlap=0.4)
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.05))
mapper = lm.Mapper(data=x, filter=filter, cover=cover, cluster=cluster)
mapper.fit(skeleton_only=True)
print('1 thread: {0:.4f} sec'.format(time.time() - start))
start = time.time()
filter = Eccentricity(nthreads=8)
cover = KeplerCover(nintervals=25, overlap=0.4)
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.05))
mapper = lm.Mapper(data=x, filter=filter, cover=cover, cluster=cluster)
mapper.fit(skeleton_only=True)
print('16 threads: {0:.4f} sec'.format(time.time() - start))
return 0
def test(x, y):
"""Basic usage"""
# instantiate a Mapper object
filter = Eccentricity(exponent=2, metric='correlation')
cover = BalancedCover(nintervals=4, overlap=0.49)
cluster = Linkage(method='average',
metric='correlation',
cutoff=FirstGap(0.01))
mapper = lm.Mapper(data=x, filter=filter, cover=cover, cluster=cluster)
mapper.fit(skeleton_only=False)
print("dimension = ", mapper.complex._dimension)
predictor = mapp.BinaryClassifier(mapper=mapper,
response_values=y,
_lambda=0.015,
a=0.5,
beta=1)
predictor.fit()
# --------------------------
# predictor.plot_majority_votes()
return predictor.leave_one_out(x)
def test(x, y):
"""Basic usage"""
print(x.shape)
# instantiate a Mapper object
filter = Projection(ax=2)
cover = UniformCover(nintervals=25, overlap=0.4)
cluster = Linkage(method='single',
metric='euclidean',
cutoff=FirstGap(0.05))
mapper = lm.Mapper(data=x, filter=filter, cover=cover, cluster=cluster)
mapper.fit(skeleton_only=True)
print("dimension = ", mapper.complex._dimension)
predictor = mapp.BinaryClassifier(mapper=mapper,
response_values=y,
_lambda=0.0,
a=0.5,
beta=2)
predictor.fit() # .plot_majority_votes()
return predictor.leave_one_out(x)