質問編集履歴
1
文法の修正
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@@ -12,7 +12,7 @@
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X, y = make_blobs(centers=4, random_state=8)
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y = y %2
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X_new = np.hstack([X, X[:,1:]*
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X_new = np.hstack([X, X[:,1:]*2]) # うまくteratail上で表示できませんが, X[:,1:]の2乗としたいです.
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from mpl_toolkits.mplot3d import Axes3D, axes3d
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figure = plt.figure()
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ax = Axes3D(figure, elev=-152, azim=-26)
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@@ -20,7 +20,7 @@
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ax.scatter(X_new[mask,0], X_new[mask,1], X_new[mask,2], c='b',
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cmap=mglearn.cm2, s=60)
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ax.scatter(X_new[~mask,0], X_new[~mask,1], X_new[~mask,2], c='r',
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marker='^', cmap=mglearn.cm2, s=60)
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marker='^', cmap=mglearn.cm2, s=60) # この行の~maskの意味がわかりません
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ax.set_xlabel('feature0')
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ax.set_ylabel('feature1')
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ax.set_zlabel('feature1 ** 2')
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