Dendrograms

Visualization of dendrograms as SVG images.

[1]:
from IPython.display import SVG
[2]:
import numpy as np
[3]:
from sknetwork.data import karate_club, painters, movie_actor
from sknetwork.hierarchy import Paris, BiParis
from sknetwork.visualization import svg_graph, svg_digraph, svg_bigraph
from sknetwork.visualization import svg_dendrogram

Graphs

[4]:
graph = karate_club(metadata=True)
adjacency = graph.adjacency
position = graph.position
labels = graph.labels
[5]:
image = svg_graph(adjacency, position, labels=labels)
[6]:
SVG(image)
[6]:
../../_images/tutorials_visualization_dendrograms_8_0.svg

Dendrogram

[7]:
paris = Paris()
dendrogram = paris.fit_transform(adjacency)
[8]:
image = svg_dendrogram(dendrogram)
[9]:
SVG(image)
[9]:
../../_images/tutorials_visualization_dendrograms_12_0.svg
[10]:
n = adjacency.shape[0]
[11]:
image = svg_dendrogram(dendrogram, names=np.arange(n), n_clusters=5, color='gray')
[12]:
SVG(image)
[12]:
../../_images/tutorials_visualization_dendrograms_15_0.svg

Export

[13]:
svg_dendrogram(dendrogram, filename='dendrogram_karate_club')
[13]:
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Digraphs

[14]:
graph = painters(metadata=True)
adjacency = graph.adjacency
names = graph.names
position = graph.position
[15]:
image = svg_digraph(adjacency, position, names)
[16]:
SVG(image)
[16]:
../../_images/tutorials_visualization_dendrograms_21_0.svg

Dendrogram

[17]:
paris = Paris()
dendrogram = paris.fit_transform(adjacency)
[18]:
image = svg_dendrogram(dendrogram, names, n_clusters=3, rotate=True)
[19]:
SVG(image)
[19]:
../../_images/tutorials_visualization_dendrograms_25_0.svg

Bigraphs

[20]:
graph = movie_actor(metadata=True)
biadjacency = graph.biadjacency
names_row = graph.names_row
names_col = graph.names_col
[21]:
image = svg_bigraph(biadjacency, names_row, names_col)
[22]:
SVG(image)
[22]:
../../_images/tutorials_visualization_dendrograms_29_0.svg

Dendrograms

[23]:
biparis = BiParis()
biparis.fit(biadjacency)
dendrogram_row = biparis.dendrogram_row_
dendrogram_col = biparis.dendrogram_col_
dendrogram_full = biparis.dendrogram_full_
[24]:
image = svg_dendrogram(dendrogram_row, names_row, n_clusters=3, rotate=True)
[25]:
SVG(image)
[25]:
../../_images/tutorials_visualization_dendrograms_33_0.svg
[26]:
image = svg_dendrogram(dendrogram_col, names_col, n_clusters=3, rotate=True)
[27]:
SVG(image)
[27]:
../../_images/tutorials_visualization_dendrograms_35_0.svg