试图用我的决策树模型得到一个预测,会给出最后一行代码的标题错误。X=BTC_cleanData[-1:]ValueError: matmul: Input operand 1 has a mismatchin its core dimension 0, with gufunc signature (n?,k),
(k,m?)-
每次它都会给出以下错误 ValueError: matmul: Input operand 1 has a mismatch in its core dimension 0, with gufunc signature,k),(k,m?)->(n?,m?) 这是我正在尝试的方法。,k),(k,m?)->(n?,m?)
我已经使用matmul编写了代码,但我得到了以下错误: "ValueError: matmul: Input operand 1 has a mismatch in its core dimension0, with gufunc signature (n?,k),(k,m?)->(n?,m?)(size 1 is different from 3)"
下面是我的代码: import numpy as npfrom sklearn.model_selection import: matmul: Input operand 1 has a mismatch in its core dimension 0, with gufunc signature (n?,k),(k,m?)->(n?,m