Keras TypeError:fit()缺少1个必需的位置参数:"y" [英] Keras TypeError: fit() missing 1 required positional argument: 'y'
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问题描述
我的模型格式正确:
model = Sequential()
model.add(Lambda(lambda x:x/255.0 - 0.5, input_shape=(160,320,3)))
model.compile(loss='mse', optimizer='adam')
model.fit(train_generator, samples_per_epoch= len(train_samples), validation_data=validation_generator, nb_val_samples=len(validation_samples), nb_epoch=3)
请注意,括号已到位.但是,当我适合时,会出现以下错误:
Note, parenthesis are in place. However when I fit I get the following error:
Traceback (most recent call last): File "modell.py", line 70, in <module>
model.fit(train_generator, samples_per_epoch= len(train_samples), validation_data=validation_generator, nb_val_samples=len(validation_samples), nb_epoch=3)
TypeError: fit() missing 1 required positional argument: 'y'
train_generator
是2D数组
train_generator = generator(train_samples, batch_size=32)
我必须是盲人,因为我无法发现问题.有谁知道为什么fit
在寻找额外的论点?
I must be blind because I can't spot the problem. Does anyone know why fit
is looking for an extra argument?
推荐答案
在使用生成器进行训练时,必须使用方法model.fit_generator
.
When using a generator to train, you must use the method model.fit_generator
.
方法fit
将始终要求输入(X)和输出/目标(Y)
The method fit
will always demand for inputs (X) and outputs/targets (Y)
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