報錯log為：

測試某條數(shù)據(jù)，結(jié)果為：
Traceback (most recent call last):
File “/home/appleyuchi/桌面/Python深度學習/deep_learning_chollet/第三章-神經(jīng)網(wǎng)絡入門/波士頓房價預測.py”, line 175, in
print"測試某條數(shù)據(jù)，結(jié)果為：",model.predict(test_data[0].reshape(13,1))
File “/home/appleyuchi/.virtualenvs/python2.7/local/lib/python2.7/site-packages/keras/engine/training.py”, line 1149, in predict
x, _, _ = self._standardize_user_data(x)
File “/home/appleyuchi/.virtualenvs/python2.7/local/lib/python2.7/site-packages/keras/engine/training.py”, line 751, in _standardize_user_data
exception_prefix=‘input’)
File “/home/appleyuchi/.virtualenvs/python2.7/local/lib/python2.7/site-packages/keras/engine/training_utils.py”, line 138, in standardize_input_data
str(data_shape))
ValueError: Error when checking input: expected dense_10_input to have shape (13,) but got array with shape (1,)
[Finished in 7.4s with exit code 1]
[shell_cmd: python -u “/home/appleyuchi/桌面/Python深度學習/deep_learning_chollet/第三章-神經(jīng)網(wǎng)絡入門/波士頓房價預測.py”]
[dir: /home/appleyuchi/桌面/Python深度學習/deep_learning_chollet/第三章-神經(jīng)網(wǎng)絡入門]
[path: /home/appleyuchi/bin:/home/appleyuchi/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin]

解決方案：

print"測試某條數(shù)據(jù)，結(jié)果為：",model.predict(test_data[0])

改成

print"測試某條數(shù)據(jù)，結(jié)果為：",model.predict(test_data[0].reshape(1,13))

神經(jīng)網(wǎng)絡需要的nxm其實是np.shape眼里的mxn
剛好反了一下。

總結(jié)

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