导出了相应的标准差修正公式。
但若组合里只有股票和债券,我的标准差会高得多。
But if I would confine myself just to stocks and bonds, then I would get a much higher standard deviation.
不同测量者用方盘量角器在相同人身上测得的数据的标准差明显小于通用量角器。
The standard difference of data taken from the same person with the square goniometer by different examiner were smaller than that with the universal goniometer.
通过测量反射光密度分布曲线的半宽度,由高斯曲线系数的标准差计算表面粗糙度。
The reflected intensity curve can be approximated by a Gaussian function. The width of the intensity distribution curve was evaluated with...
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
随着像元尺度变大,LAI的标准差增大,但植被指数与LAI的相关系数并不降低。
With the larger pixel scale, standard deviation of LAI increased, but the correlation coefficients of vegetation index and LAI are not reduced.
例如,可能需要自常态分配数量之产生样本或需要计算大量资料的标准差或绘制直方图。
For example, one may need to generate samples drawn from a normally distributed population or may need to compute the standard deviation of a large data set or plot a histogram.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果;
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
以这两种方法间的平均差异来计算ct的准确性,以CT测量结果的标准差评估精确度。
Accuracy of the CT method was calculated as the average difference between methods. Precision was measured as the standard deviation of the CT measurement.
轨道不平顺最大值用于紧急补修评价指标,区段的标准差用于大型养路机作业的评价指标。
Maximum track irregularity is the evaluate index in emergency maintenance and standard deviation of section track irregularity is the evaluate index in track maintenance machine work.
通过分析各分信号的标准差,确立了小波分析标准,为胎儿心率信号的消噪处理提供参照。
Establishment a standard of wavelet analysis by analysis standard deviation of every sub-signal, handles to provide to according to the de-noising of the fetal heart rate signal.
本文从误差的传递着手,严密推证了弓高及弦长测量的标准差取不同值时最佳测量点的位置。
Based on the error theory, we strictly deduce where is the optimum measuring point and when the standard error of arch-height and that of chord - length are both defined in this paper.
我们会告诉潜在的客户,如果他们的主要目的是缩小与指数的标准差,那就省点钱去买指数基金。
We tell prospective clients that if their main goal is to minimize standard deviation around the index, save money and buy an index fund.
对于参数估计量的标准差,我们则是利用拔靴法来估计,其结果的表现也与仿真的标准差很接近。
Results show that the proposed weighted regression calibration method is the most efficient and that the standard errors estimated using a bootstrap procedure are satisfactory.
解释变量很可能高度相关,即使变量实际上显著,结果中的较大的标准差也可能表明参数不显著。
It is highly possible that because explanatory variables are highly correlated, the resulted large standard errors could indicate an parameter to be insignificant while it is indeed significant.
本文根据统计学的原理,对散热器热工性能测试中数据的回归方程进行了系数的标准差分析和稳定性分析。
According to statistical theory, the regression coefficients stability in radiator thermal test has been analysed in this paper.
用12个区域来测量收缩期圆周应变时间和应变率,并用应不峰值时间和应不率的标准差来表示心肌不同步。
Time to peak systolic circumferential strain and strain rate were measured in 12 segments, and myocardial dyssynchrony was expressed as the SD of time to peak strain and strain rate.
目的探讨以CL IA'88允许误差的三分之一推导出的标准差和实际标准差在生化室内质控的应用价值。
Objective To explore actual value on two methods between standard deviation by calculating one third of CLIA 88 permitted error and actual standard deviation in internal quality control.
根据资产的预期收益,以及收益的标准差,可以看到我们有更好的选择,这里的方差值比以上两种方案都要低。
Depending on where the assets expected returns are and the assets' standard deviations, we can see that we might be able to do better than — have a lower variance than either asset.
对于不同数据样本所对应的被评价人的相关性,通过求同样本中评价值的标准差而采用标准分法给出不同样本对各自被评价人之间的相对比较。
The relative comparison of the evaluated person in different data specimen is offered by means of standard marks method, i. e. evaluating the standard difference.
本文以每股分红送转、每股税后股利、每股红股、每股转增股本四个指标衡量公司股利分配的水平,以它们的标准差衡量公司股利分配的稳定性。
I use four indexes to measure the stability of dividend policies including the standard deviation of total dividend, cash dividend, stock dividend and the reserve transferred to common shares.
您可以利用此函数将您的样本方差计算转换为样本标准差计算,如清单8所示。
You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.
而格朗萨索研究组的结果是六个标准差。
为了计算我们财富的期望效用,你可能也得关注期望回报、或几何期望回报、或标准差。
To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.
为了计算我们财富的期望效用,你可能也得关注期望回报、或几何期望回报、或标准差。
To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.
应用推荐