def plot_clusters(self, save=True, folder='.', **kwargs):
"""
Creates a 3D-plot to visualize each cluster each cluster is assigned a different color in the plot.
When save=True, it also stores the 3D-plot per cluster in DATA_PATH.
:param save: Boolean specifying if image should be saved
:type save: `bool`
:param folder: Directory where the sprites will be saved inside DATA_PATH folder
:type folder: `str`
:param kwargs: a dictionary of cluster-analysis-specific parameters
:type kwargs: `dict`
:return: None
"""
self.set_params(**kwargs)
if not self.clusters_by_class:
self.cluster_activations()
# Get activations reduced to 3-components:
separated_reduced_activations = []
for ac in self.activations_by_class:
reduced_activations = reduce_dimensionality(ac, nb_dims=3)
separated_reduced_activations.append(reduced_activations)
# For each class generate a plot:
for class_id, (labels, coordinates) in enumerate(zip(self.clusters_by_class, separated_reduced_activations)):
f_name = ''
if save:
f_name = os.path.join(folder, 'plot_class_' + str(class_id) + '.png')
plot_3d(coordinates, labels, save=save, f_name=f_name)
def plot_clusters(self, save: bool = True, folder: str = ".", **kwargs) -> None:
"""
Creates a 3D-plot to visualize each cluster each cluster is assigned a different color in the plot. When
save=True, it also stores the 3D-plot per cluster in ART_DATA_PATH.
:param save: Boolean specifying if image should be saved.
:param folder: Directory where the sprites will be saved inside ART_DATA_PATH folder.
:param kwargs: a dictionary of cluster-analysis-specific parameters.
"""
self.set_params(**kwargs)
if not self.clusters_by_class:
self.cluster_activations()
# Get activations reduced to 3-components:
separated_reduced_activations = []
for activation in self.activations_by_class:
reduced_activations = reduce_dimensionality(activation, nb_dims=3)
separated_reduced_activations.append(reduced_activations)
# For each class generate a plot:
for class_id, (labels, coordinates) in enumerate(zip(self.clusters_by_class, separated_reduced_activations)):
f_name = ""
if save:
f_name = os.path.join(folder, "plot_class_" + str(class_id) + ".png")
plot_3d(coordinates, labels, save=save, f_name=f_name)
def test_3D_plot(self):
points = [[1, 1, 1],
[2, 2, 2],
[3, 3, 3]]
labels = [0, 1, 1]
plot_3d(points, labels, save=False)
def test_3D_plot_fail(self):
points = [[1, 1, 1],
[2, 2, 2],
[3, 3, 3]]
labels = [1, 1, 3]
# Shouldn't work because labels don't start in zero.
plot_3d(points, labels, save=False)
def test_3D_plot(self):
points = np.array([[1, 1, 1], [2, 2, 2], [3, 3, 3]])
labels = np.array([0, 1, 1])
plot_3d(points, labels, save=False)
