data1 = np.random.randn(4, 2) • data1 • # グラフ描画(Math) • data2 = np.random.randn(40, 2) + [3, 0] • data2= np.append(data2, np.random.randn(40, 2) + [-‐1, 3], axis=0) • data2= np.append(data2, np.random.randn(40, 2) + [-‐1, -‐3], axis=0) • import matplotlib.pyplot as plt • plt.scatter(data2[:,0], data2[:,1]) • plt.show() 16