图1显示了一个典型的正态概率分布函数,这样命名是因为绝大多数值都属于这个分布范围内。
Figure 1 shows a typical normal probability density function, so called because most observations fall into this sort of distribution.
图1:正态概率分布函数,它表明实际的观测值可能会偏离期望值(或者平均值)。
Figure 1: Normal probability density function, which illustrates that actual observations may vary from the expected (or average).
计量资料差异性比较采用单因素方差分析,非正态分布资料经正态转换后再作统计学处理。
Difference of measurement data was compared with single factor analysis of variance. After normal transformation, the non-normal distribution data were conducted with statistical disposal.
结果表明,其抗压强度具有明显的随机性,频率分布里正偏态。
The results show that the strength characteristics is random, the frequency distribution is in positive skew distribution.
介绍对数正态概率纸自动生成和分布参数自动提取的方法以及据此开发的软件。
The method and the resulting software for automatic generation of lognormal probability paper and the automatic extraction of distribution parameters are introduced.
测定结果最高智商为112,最低智商为64,平均智商为92.37,智商分布基本上符合正态性分布。
It is concluded that the highest, lowest, and average IQ of the tested children were 112, 64, and 92.37 respectively.
证明了此统计量是渐近正态的,并利用蒙特卡罗方法对统计量的渐进分布做了统计模拟。
It is proved that the statistics is asymptotic normality, and simulation of the statistics's asymptotic distribution is carried out with Monte Carlo method.
因此得到了推广矩估计量的渐近分布,于是证明了推广估计量的渐近正态性。
Then we derive the asymptotical distribution of the extended moment estimator and prove its asymptotically normality.
正态混合模型还可以用来对那些不能用标准的参数分布族来拟和的总体进行密度估计或近似。
The normal mixed distribution model can be used to get probability density or to simulate population which can not be fitted by standard parameters distribution classes.
给出了正态总体均值和标准差的最大似然估计(M LE),似然比检验统计量及其渐近分布等结果。
The maximum likelihood estimators(MLE) of means and standard deviations, and the asymptotic distribution of likelihood ratio statistic were given.
通过对上证指数的统计分析表明,上证指数的收益率分布表现出非正态性,并存在自回归条件异方差的特征。
According to statistical analysis on Shanghai stock index, the distribution of the rate of return is non-positive skewed, and there exists an autoregressive heteroskedasticity in the rate of return.
本文推导了两个正态随机变量商的分布,并着重讨论了它在环境因子分析中的应用,给出了实例。
In this paper, the distribution of quotient of normal variable was derived, its application in analysis of environment factors was emphatically discussed, and an example was given.
结果表明,研究区土壤砷为正偏态分布,经高斯非线性转化后,符合二阶平稳假设。
The soil as of the study area was positive skew distribution, tally with second steps stable supposed, after Gaussian non-liner change.
结果表明,1)该含水层导水系数在空间上的变化服从正态概率分布;
The results shows that: 1, The spatial change of the transmissibility coefficient of aquifer complies with the normal probability distribution.
双正态模型假定正常组与异常组均服从正态分布。
Binormal models are assumed that normal or abnormal group is normal distribution respectively.
该模型由有限个回归类构成,每个类的模型误差可以是正态的,也可以是满足一定条件的任意分布。
The model consists of a finite number of regression classes, for each of them the model error may normal or arbitrary under certain conditions.
本文的研究围绕GIS位置数据的误差分布可能是非正态的这个问题展开。
This paper centers on the assumption that the actual distribution of the errors in GIS position data might be non-normal.
云南降水量的正态统计分布一方面具有一定的区域性特征,另一方面又具有较强的局地性,不同的月份同一测站降水量的正态性不同。
At the same time, the Yunnan's precipitation normal distribution has some regional features and local ones. The different month in same station has different normal distribution characteristics.
窄缝消能工边墙的脉动压力振幅概率分布符合正态概率曲线。
The probability distribution curve of the fluctuating pressure amplitude on the side wall of narrow-gap energy dissipater coincides with the normal probability curve.
研究结果表明:(1)工人产量分布大都为非正态形。
The results indicated: (1) Most workers' output distributions were abnormal.
测量结果证明窄频带晶体三极管噪声的振幅分布,和遵守正态律的振幅分布相符合。
It is found that the amplitude distribution of nai-row band semiconductor noise agrees with that of the normal law distribution.
本文将正态随机过程的峰值分布理论推广到环境噪声峰值的空间分布的计算上。
The theory of distribution of peaks in normal random process has been expanded to calculate the spatial distribution of environmental noise peaks.
在实际应用这些公式的时候,需要运用二项分布的正态近似定理,因为二项分布公式的值很难计算。
To actually apply this it helps to go to something called the normal approximation to the binomial, because it's kind of difficult to compute this formula.
文章从三大方面分析了正态分布的性质、误差分析以及正态误差报道的概率意义。
This text has analysed the nature of normal distribution, error analysis and the probability meanings of normal error report from three major respects.
本文提出从HNBUE分布类中检验指数分布的方法,证明检验统计量的渐近正态性和检验的相合性。
This paper proposes a test statistics for testing exponential distribution versus HNBUE, and proves the statistics approximate normal distribution and consistence.
开发了一种利用计算机图形绘制多口井测井数据的应用程序,实现了用数学上的正态概率分布法来反映视地层水电阻率的变化规律,并根据其变化规律判别储层的流体性质,效果良好。
The variation rules of apparent formation water resistivity was reflected by using normal probability distribution, according to its changing rules, the fluid property was judged with good result.
得到下面主要结果:(1)各个高度上水平风速模涨落的概率分布近于正态律。
The main results are: 1. The horizontal wind speed fluctuations at any height may be approximated by a Gaussian distribution.
结果正态性检验和频率分布曲线分析显示,所获数据符合或基本符合正态分布。
A normal distribution of our data was shown using the normality test and distribution curve.
CDCPM用中心距离正态(CDN)分布描述模型特征空间,去掉了H MM的状态转移概率矩阵a,对HMM进行了简化和改进。
CDCPM describes the feature space of model by center distance normal distribution (CDN), and simplifies and improves the HMM efficiently by getting rid of the state transition probability matrix a.
CDCPM用中心距离正态(CDN)分布描述模型特征空间,去掉了H MM的状态转移概率矩阵a,对HMM进行了简化和改进。
CDCPM describes the feature space of model by center distance normal distribution (CDN), and simplifies and improves the HMM efficiently by getting rid of the state transition probability matrix a.
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