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# -*- coding: utf-8 -*-
"""
Created on Fri Oct 23 14:45:21 2015
@author: Camil Staps, s4498062
This is Python 2 code.
"""
import sys
sys.path.insert(0, './packages')
import scipy.io as sciio
import scipy.cluster.hierarchy as hier
from clusterPlot import clusterPlot
import matplotlib.pyplot as plt
# 4.2.1
for method in ['single', 'complete', 'average']:
fig = plt.figure(figsize=(16,18))
for n in range(1,5):
synth = sciio.loadmat('./data/synth' + str(n) + '.mat')
X = synth['X']
y = synth['y']
Z = hier.linkage(X, method=method, metric='euclidean')
cls = hier.fcluster(Z, criterion='maxclust', t=4)
plt.subplot(4, 2, n * 2 - 1)
clusterPlot(X, cls, y=y)
plt.subplot(4, 2, n * 2)
hier.dendrogram(Z)
plt.tick_params(axis='x', which='both', bottom='off', top='off', labelbottom='off')
plt.show()
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