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输入元件具有3行,每行具有199列和输出具有46行和1列keras多输入到simpleRNN尺寸:尺寸失配
Input.shape, output.shape
((204563, 3, 199), (204563, 46, 1))
当输入给出下面的错误被抛出:
from keras.layers import Dense
from keras.models import Sequential
from keras.layers.recurrent import SimpleRNN
model = Sequential()
model.add(SimpleRNN(100, input_shape = (Input.shape[1], Input.shape[2])))
model.add(Dense(output.shape[1], activation = 'softmax'))
model.compile(loss = 'categorical_crossentropy', optimizer = 'adam', metrics = ['accuracy'])
model.fit(Input, output, epochs = 20, batch_size = 200)
错误抛出:
Epoch 1/20
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-134-378dd431cf45> in <module>()
3 model.add(Dense(y_target.shape[1], activation = 'softmax'))
4 model.compile(loss = 'categorical_crossentropy', optimizer = 'adam', metrics = ['accuracy'])
----> 5 model.fit(X_input, y_target, epochs = 20, batch_size = 200)
.
.
.
ValueError: Error when checking model target: expected dense_6 to have 2 dimensions, but got array with shape (204563, 46, 1)
请解释这个问题,可能soution的原因