Statistical methods for combining the results of studies generally weight the influence of each study by the inverse of the variance for the estimated measure of effect. 合并研究结果的统计学方法通常采用待估效应测量值的方差的倒数来对每一个研究的影响进行加权。
The authors of this paper proposed a new statistical method so called rank correlation weight method used for locative prediction of mineral resources targets. 提出了一种矿产资源靶区定位预测的统计方法秩相关权法。
Application of statistical weight matrix method in estimation of regional rainfall 统计权重矩阵法在雷达估测降水集成中的应用
Furthermore, statistical comparision between the transgenic plants 'and CK' seeds weight indicated that the transgenic seeds are heavier 12.14% and 7.8% than CK '. 通过对种子重量分析发现转基因种子的重量与对照相比分别提高了12.14%和7.8%。
Through the method of literature review, the paper first makes statistical analyses of the age, height and weight of Chinese players and those of 4 leading European Series A. 采用文献资料法等对我国甲A和欧洲四大联赛职业足球运动员的年龄、身高、体重3项指标进行统计分析。
The recurrence formula, which satisfies the necessary linking condition of the matrix algebra method for conformation statistics, of the statistical weight matrices of the mth-order interaction approximation for linear polymer chains is derived. 导出了线性聚合物链m级相互作用近似统计权重矩阵的递推公式,它满足构象统计的矩阵代数法所要求的连接条件。
Statistical Analysis of Parameter of Antler Weight Character in Male Sika Deer of Xifeng Breed 西丰梅花鹿种公鹿茸重性状表型参数的统计分析
In a seismic statistical region, the delimitation of potential sources and variant weight assignment of spatial distribution functions can raise the estimated values of ground motion parameters in the place where great earthquake might occur and its vicinity. 在一个地震统计区内,划分潜在震源区和空间分布函数的不等权分配,提高了有可能发生大地震地方及其附近地区地震动参数的估计值。
Basing on statistical mean values of morphological measurements in 636 foetuses and weight measurements of viscera in 600 foetuses, we obtained the expressions of fetal growth laws. The differential equation model was established in this paper. 本文根据兰州地区汉族正常胎儿636例外形测量和600例内脏器官测量的各项平均值,得出了发育曲线的表达式,建立了揭示胎儿发育规律及其本质的微分方程模型。
Considering the statistical weight factors of different Zernike model aberrations caused by atmospheric turbulence, and the different arrangements of mirror positioning, the optimization of the bimorph deformable mirror is analyzed. 考虑到由大气湍流造成的光学波前畸变中各泽尼克(Zernike)基元模式的统计权重分布,以及变形镜的实际装夹定位方式,对双压电变形反射镜的优化设计进行了分析。
Statistical analysis on the weight coefficient of coastal defence missile 海防导弹质量系数的统计分析
Statistical Analysis About Synthesis Scoring Weight 综合评分权重的统计分析
Methods According to medical record statistical information, we measure some weight coefficient by applying Delphi method. 方法依据病案信息统计各级医师月工作项目频数,采用特尔斐法进行综合评分,测算权重系数。
Results: Statistical analysis demonstrated a significant decrease in the weight of fetus, brain, liver and the expression of GAP-43 protein in model group compared with the sham operated group ( all P < 0.01). 结果:出生当天,模型组幼鼠的体重、脑重、肝重、GAP-43蛋白的表达均明显低于假手术组(P<0.01);
At first, a "statistical weight" is classically constructed according to the variance of the coordinate component of each GPS point. 首先,由各GPS点坐标分量的方差确定其统计权;
Statistical Analysis of Heteroscedasticity in Nonlinear Regression Models with Random Weight Function 随机权函数非线性回归模型的异方差统计分析
Then, the spatial statistical analysis techniques are introduced into SDM domain. The measurement functions of spatial weight matrix, spatial auto-correlation and spatial association are studied. 将空间统计分析引入空间关联规则挖掘领域,研究了空间权重矩阵、空间自相关、空间关联等的度量函数,并利用空间统计分析技术发现空间相关关系和空间关联规则。
In the final analysis people feel far from CPI data, the limitation of statistical sample and statistical weight lag make the CPI distorted, so that the establishment of CPI can neither reflect the purchasing power of the public, norther can measure our macro economy operation. 由于统计样本的局限和统计权重的滞后等原因使CPI扭曲失真,现行编制的CPI既不能准确反映公众的购买力,也不能真实衡量我国宏观经济的运行情况。
Attenuation method using this floating is out of the original unity of the shackles of the statistical regression, using the best weight distance to get the best attenuation relationship. 6. 采用这种浮动的衰减方式摆脱了原先单一性的统计回归方式的束缚,利用求最优的权重距离,近而得到最佳的衰减关系。
Through the comprehensive application of complex network statistical parameters, such as the network node weight, node of the degree, clustering coefficient node and center interface, rank to get the first N keywords of web news content. 并通过该网络的节点权重、节点的度、节点的聚类系数及中心介数等复杂网络统计参数的综合应用,排序获得网页新闻内容的前N个关键词。
The algorithm classifies the whole scene into different spectral types. Then, in each type we calculate the statistical parameters as the weight coefficients during fusion. 该算法对整个图像的光谱信息进行分类,然后在每个类里面求取其统计参数,作为融和时候的加权系数。
Finally, statistical analysis, by comparing with excessive weight gain understanding Syndrome type relationship, and two different physical and chemical indicators. 最后通过统计分析,对比了解体重增加过多与中医证候分型的关系,两组理化指标差别及体重增加过多组各证型间理化指标的差别。
Bring the samples back to the experiment to classify, statistical count and weight. 将样品带回实验进行分类鉴定,统计计数、称重、生物量、密度的计算。
There were no statistical differences in BMI among the groups, but a higher proportion of low weight was shown in patients with advanced S. japonica. 各组对象的体重指数(BMI)的差异无统计学意义,但晚血患者中体重过低者所占比例较高。
The results showed that there were no statistical differences among groups in terms of body weight gain and cashmere yield. 结果表明各处理之间日增重和产绒量差异不显著。
This paper explores a new ground motion attenuation relation of the statistical approach, using a weight floating consideration. 探索了一种新的近断层地震动峰值衰减规律的统计方式,采用了权重浮动式的考虑。