X, y分别是什么
- https://www.cnblogs.com/xiaohuiduan/p/12635624.html
plt.imshow(x, cmap=‘gray’)
plt.xticks([])
- Disable xticks.
- https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.xticks.html?highlight=xticks#matplotlib.pyplot.xticks
代码
from sklearn.datasets import fetch_openml
import matplotlib.pyplot as plt
X, y = fetch_openml('mnist_784', data_home='./', return_X_y=True)
X = X / 255
X = X.values
plt.figure()
for n in range(0, 10):
plt.subplot(2, 5, n+1)
x = X[n].reshape(28, 28)
plt.imshow(x, cmap='gray')
plt.xticks([]), plt.yticks([])
plt.show()
