marker='o',
c='w',
edgecolors='#00CED1',
s=80,
label='Great (positive)')
plt.scatter(negative_xs[:, 0],
negative_xs[:, 1],
marker='s',
c='w',
edgecolors='#DC143C',
s=80,
label='Awful (negative)')
plt.legend(loc="upper right", bbox_to_anchor=(1.01, 1.16))
# map
mapped_xs = SOMNet.forward(xs)
positive_xs = mapped_xs[ys == 1] + 0.5
negative_xs = mapped_xs[ys == 0] + 0.5
# plot data (after mapping)
plt.figure()
plt.scatter(positive_xs[:, 0],
positive_xs[:, 1],
marker='o',
c='w',
edgecolors='#00CED1',
s=80,
label='Great (positive)')
plt.scatter(negative_xs[:, 0],
negative_xs[:, 1],
marker='s',
