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def plotDataAndCov(data): | |
ACov = np.cov(data, rowvar=False, bias=True) | |
print 'Covariance matrix:\n', ACov | |
fig, ax = plt.subplots(nrows=1, ncols=2) | |
fig.set_size_inches(10, 10) | |
ax0 = plt.subplot(2, 2, 1) | |
# Choosing the colors | |
cmap = sns.color_palette("GnBu", 10) | |
sns.heatmap(ACov, cmap=cmap, vmin=0) | |
ax1 = plt.subplot(2, 2, 2) | |
# data can include the colors | |
if data.shape[1]==3: | |
c=data[:,2] | |
else: | |
c="#0A98BE" | |
ax1.scatter(data[:,0], data[:,1], c=c, s=40) | |
# Remove the top and right axes from the data plot | |
ax1.spines['right'].set_visible(False) | |
ax1.spines['top'].set_visible(False) |
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