TypeError: 'range' object doesn't support item deletion《机器学习实战》改进的随机梯度上升算法

TypeError: 'range' object doesn't support item deletion

解决办法：将dataIdex = range(m) 改为

dataIndex = list(range(m))

原因：python3.x range返回的是range对象，不返回数组对象

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TypeError: 'range' object doesn't support item deletion《机器学习实战》改进的随机梯度上升算法

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