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Recent questions tagged std、mstd如何通过参数变成有偏，类似pandas、numpy的std(ddof=1

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std、mstd如何通过参数变成有偏，类似pandas、numpy的std(ddof=1 or 0)
    DolphinDB中的std函数可以计算标准差，mstd函数可以计算在长度为window的滑动窗口中的移动标准差，那么请问，DolphinDB中std、mstd如何通过参数变成有偏标准差？有点类似pandas、numpy的std(ddof=1 or 0) 。...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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3.5k views
1 answer
std、mstd如何通过参数变成有偏，类似pandas、numpy的std(ddof=1 or 0)
    DolphinDB中的std函数可以计算标准差，mstd函数可以计算在长度为window的滑动窗口中的移动标准差，那么请问，DolphinDB中std、mstd如何通过参数变成有偏标准差？有点类似pandas、numpy的std(ddof=1 or 0) 。...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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