if len(set(dataSet[:,-1].T.tolist()[0])) == 1: #exit cond 1
TypeError: list indices must be integers or slices, not tuple
在测试树回归的时候，一直报这个错，找了很久的原因，后来发现是因为输入的数据集没有转为矩阵
list indices must be integers or slices, not tuple
File "E:\Python36\regtree.py", line 45, in chooseBestSplit
if len(set(dataSet[:,-1].T.tolist()[0])) == 1: #exit cond 1
if len(set(dataSet[:,-1].T.tolist()[0])) == 1: #exit cond 1
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