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dataset_moons:
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**dataset_moons**:
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dataset_circles:
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**dataset_circles**:
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**dataset_digits**:
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加载数据的方式是:
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```python
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# moon dataset
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@@ -33,13 +41,32 @@ plt.show()
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dataset_circles的数据文件是`dataset_circles.csv`
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dataset_digits的加载方式:
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```python
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import matplotlib.pyplot as plt
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from sklearn.datasets import load_digits
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# load data
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digits = load_digits()
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# copied from notebook 02_sklearn_data.ipynb
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fig = plt.figure(figsize=(6, 6)) # figure size in inches
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fig.subplots_adjust(left=0, right=1, bottom=0, top=1, hspace=0.05, wspace=0.05)
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# plot the digits: each image is 8x8 pixels
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for i in range(64):
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ax = fig.add_subplot(8, 8, i + 1, xticks=[], yticks=[])
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ax.imshow(digits.images[i], cmap=plt.cm.binary)
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# label the image with the target value
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ax.text(0, 7, str(digits.target[i]))
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