在使用sklearn进行数据处理的时候出现了报错，如题所示；
报错地方的代码如下
#dataitem = x_train[1] y_predicted.append(clf.predict(dataitem))
报错的原因是，dataitem是一个数组的类型，而predict（）函数应该传入的是list类型的参数，因此出现报错
解决方法如下：
y_predicted.append(clf.predict([dataitem]))
Python的Reshape your data either using array.reshape(-1, 1) if your data has a single feature or
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