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Tensorflow / TFLearn - ValueError:无法为Tensor 'target/Y:0'提供形状值(64,),其形状为'(?, 1)'

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我一直在尝试使用tflearn和我自己的数据集来执行深度神经网络来预测值 .

我的神经网络基于Titanic的示例,但不同之处在于我将输出层从2更改为1并将'softmax'的激活更改为'lineal':

from tflearn.data_utils import load_csv

data, labels = load_csv('data.csv')

# Build neural network
net = tflearn.input_data(shape=[None, 5])
net = tflearn.fully_connected(net, 5,  activation='sigmoid')
net = tflearn.fully_connected(net, 3,  activation='sigmoid')
net = tflearn.fully_connected(net, 1, activation='linear')
net = tflearn.regression(net, optimizer='sgd', loss='mean_square',  learning_rate=0.1, name='target')

# Define model
model = tflearn.DNN(net)
# Start training (apply gradient descent algorithm)
model.fit(data, labels,show_metric=True)

我收到以下错误:

ValueError:无法为Tensor'target / Y:0'提供形状值(64,),其形状为'(?,1)'

我已经在stackoverflow中搜索了我的问题,但没有一个答案适合我 .

I use Python 3.6 and TFlearn 0.3.2

1 回答

  • 1

    你可以重塑标签

    data, labels = load_csv('data.csv')
    labels = np.reshape(labels, (-1, 1))
    

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