当我尝试使用Tesorboard来监控训练时,我正在运行一个简单的神经网络Keras,后端Tensorflow。在
我的模型如下:
import keras
from keras.layers.core import Dense, Activation, Dropout
from keras.models import Sequential
model = Sequential()
model.add(Dense(32, input_dim=500))
model.add(Activation('relu'))
model.add(Dropout(0.2))
model.add(Dense(2, activation='softmax'))
model.compile(optimizer='rmsprop',
loss='binary_crossentropy',
metrics=['accuracy'])
我尝试使用以下配置运行它:
^{pr2}$但是由于某些原因,我得到了以下错误:
File "C:/Users/user/PycharmProjects/SpamFilter/Filter/NeuralModel.py", line 108, in fit
history = model.fit(X_train, one_hot_labels, epochs=10, validation_split=0.1, batch_size=300, callbacks=[tensorboard])
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\keras\models.py", line 1002, in fit
validation_steps=validation_steps)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\keras\engine\training.py", line 1705, in fit
validation_steps=validation_steps)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\keras\engine\training.py", line 1256, in _fit_loop
callbacks.on_epoch_end(epoch, epoch_logs)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\keras\callbacks.py", line 77, in on_epoch_end
callback.on_epoch_end(epoch, logs)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\keras\callbacks.py", line 855, in on_epoch_end
result = self.sess.run([self.merged], feed_dict=feed_dict)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\tensorflow\python\client\session.py", line 905, in run
run_metadata_ptr)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\tensorflow\python\client\session.py", line 1109, in _run
np_val = np.asarray(subfeed_val, dtype=subfeed_dtype)
File "C:\Users\user\PycharmProjects\SpamFilter\venvKeras\lib\site-packages\numpy\core\numeric.py", line 492, in asarray
return array(a, dtype, copy=False, order=order)
ValueError: setting an array element with a sequence.
当我设置TensorBoard
选项histogram_freq=0
时,我没有得到错误,但我想得到直方图信息,有人能帮我找出原因吗?在
在创建模型之前,请尝试运行
K.clear_session()
。在请参阅此GitHub thread以获取有关此错误的引用。在
这可能与
K.learing_phase()
有关。尤其是你以前做过K.set_learning_phase(1)
。在诊断: 运行
print(K.learning_phase())
,如果它返回一个int,那么这个问题几乎肯定与这个问题有关。试着删除所有与K.set_learing_phase(1)
相关的句子,看看是否有区别。在相关问题 更多 >
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