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原创 ValueError: Error when checking target: expected dense_2 to have shape (1,) but got array with shape

ValueError: Error when checking target: expected dense_2 to have shape (1,) but got array with shape 本文记录前段时间跑keras存在的一个小问题：ValueError: Error when checking target: expected dense_2 to have shape (1,) but got array with shape 当时出于需要，用keras新建了一个模型 model=