均值标准差
网络释义
...HRV计算软件,自动检测并分析时域指标和频域指标:(1)总体标准差(SDNN),即全部正常窦性心搏间期(NN)的标准差;(2)均值标准差(SDANN),即每5min NN标准差的均值;(3)差值均方的平方根(rMSSD),即全程相邻NN间期之差的均方根值。SDANN主要反映交感.
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...百分数（四分位数Quartiles等） 离散趋势 样本方差（Variance） 样本标准差（Std.deviation） 均值标准差（Stand Error of Mean） 极差（Range） 分布形态 偏度（Skewness，0时表示正态；大于0为右偏，较低值占多数；小于0为左偏，较高值占多数 ） 峰度（Kutos...
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双语例句原声例句
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二分式结果以相对风险性报告，连续标度的测量结果以95%可信区间均值标准差报告。
Dichotomous outcomes are reported as relative risk (RR) and measurements on continuous scales are reported as mean differences (WMD) with 95% confidence intervals (CI).
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该方法使用LBP16, 4算子来提取虹膜的纹理特征，并构造了改进的移位均值标准差参数进行匹配。
The LBP16, 4 operator is used to extract iris texture features, and the parameter of improved standard deviation of offset means is constructed for iris matching.
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根据我的估算,那次波动偏离均值有25倍标准差之巨
According to my calculations it was a twenty-five standard deviation event.
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Number of policies doesn't affect the means but it affects that standard deviation, so it becomes very collapsed and this is the basic core idea of insurance.
保单的数量并不影响其均值,但是会影响其标准差,所以这条曲线非常陡峭,而这就是保险的核心原理
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According to my calculations it was a twenty-five standard deviation event.
根据我的估算,那次波动偏离均值有25倍标准差之巨
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What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.
我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。
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