以下代码有警告
value.isInstanceOf[Map[Any,Any]]
non-variable type argument Any in type Map[Any,Any] is unchecked since it is eliminated by erasure
如何在仍然能够检查类型图[任意,任意]的数据时消除警告?
Thx:)
答案 0 :(得分:2)
这将有效:
from itertools import accumulate
from operator import mul
pd.DataFrame(np.column_stack([
list(accumulate(sample[c], mul)) for c in sample.columns]),
index=sample.index,
columns=sample.columns)
A B
2017-08-01 2 3
2017-08-02 8 15
2017-08-03 48 105
2017-08-04 384 945
this question的答案中描述了其他方法。