查询词典 multiple correlation coefficient

Employing the statistics as weight factor、 F inspection value、Partial regression square-sum and correlation coefficient et al., the superiority model factors were obtained by mathematical statistics to 87 group of experiment data. A non-linear model between the superiority seven factors(pH、NH4＋-N、NO3--N 、CO2 、total alkalinity、Mg2+、bacteria counts) and the siniperca chuatsi health comprehensive indicators were regressed and expressed as y＝a0＋＋＋.

在满足一定准确度条件下，优选出用pH、铵氮、硝酸盐氮、二氧化碳、总碱度、镁浓度和细菌总数等7项因子为自变量，利用回归技术，求出它们与鳜健康指标的关系模型为y＝a0＋∑7i=1aixi＋∑7j=1ajx2j＋∑7k=1akx3k的非线性模型，模型的预报准确率为92.4％。

In accordance with these questions, one kind of method solving these issues was put forward in this text, and namely adopting mathematics to build the method of pattern, by w-ay of studying the big needle drum system of PASSIM's cigarette machine, to use the mathematical model of big needle drum system of " black box " method establishment, and uses whole parameter and the correlation coefficient to map out the big needle drum system mathematical model of least square method, the question time lapse that what in accordance with the system exists pure adopts Smith compensator to estimate the compensator in advance solving the issue of system lag, and uses whole fixed method of frequency conversion control engineering and PLC's control engineering and PID etc to put into effect transforming to the system, and finally by way of theory verify and reality to verify to prove the success of system transformation.

针对这些问题，本文提出了一种解决这些问题的办法，即采用数学建模的方法，通过研究PASSIM卷烟机大针鼓系统，利用"黑匣子"方法建立大针鼓系统的数学模型，并运用最小二乘法整定出大针鼓系统数学模型的参数及相关系数，针对系统存在的纯时滞问题，采用史密斯预估计补偿器来解决系统滞后的问题，并利用变频控制技术和PLC控制技术、PID参数整定方法等对系统实施改造，最后通过理论验证和实际验证证明了系统改造的成功。

The relative mean error percent between the forecast and the measured value of the 20 groups of testing samples are reduced to 2.55% and 2.23% from 3.56% and 3.48% respectively; the correlation coefficient between them are also improved.

粗纱CV值和单重的20组数据预报表明：预报值与实测值间的相对平均误差率由之前的3.56%和3.48%分别降低到2.55%和2.23%；预报值和实测值间的相关系数较之前大为提高。

In the best condition of headspace and chromatogram, the mensuration of aquatic trace volatile can get a satisfaction result such as chloroform , carbon tetrachloride , trichloroethylene and perchlorethylene, all relativity standard deviation RSD is less than 4%,all the correlation coefficient R is larger than 0.99, and the relative error is less than 3%.

在选择最佳的顶空和色谱条件下，测定水中痕量挥发物三氯甲烷，四氯化碳，三氯乙烯和四氯乙烯可获得令人满意的结果，相对标准偏差RSD均小于4%，相关系数R均大于0.99，相对误差小于3%。

A series of conclusion about omnidirectional image are obtained. 5. Based on the correlation coefficient of periodic vein structure, through error correcting, a method to calibrate the camera is obtained.

以基于周期纹理结构的自相关系数的标准件标定法为基础，通过误差修正，得到了一种新的对照相机进行标定的方法，该方法使用简便，标定结果精度较高，能很好地用于生成完整的全方位全景图象。

Ultimately,we used quadratic polynomial stepwise regression analysis,according to the correlation coefficient variable size,to look for curcumin with the best ratio of piperine.

利用均匀设计的方法进行分组，检测小鼠眼球血清三酰甘油和胆固醇的含量，寻找姜黄素与胡椒碱的最佳配比。

The plumpness ratio is the bestindicator of full rapeseed.(5) The equivalent diameter is used to estimate the weight of rapeseed, andestablish the special and common model. In the overall, the correlation coefficient ofpredicted and measured values was over 0.99. The accuracy is more than 95%.

5以等价直径估测油菜种子重量，分别建立各品种的专用模型和面向白菜型、甘蓝型油菜的通用模型，两类模型在整体预测方式下的预测值与实测值间的相关系数均在0.99以上，预测精度可达到95％以上。

Pearson's product moment correlation coefficient and ANOVA repeated measurements were used for data analysis.

统计分析采用皮尔森相关系数（Pearson's product moment correlation coefficient）与重复测量（ANOVA-Repeated measurements）方式进行。

In this paper, We only analyse the projective transformation in3- Dimension space, explain the geometric significance of its column and row's correlation coefficient and give the method of changing the non-full rank projective transformation of3- Dimension to2- Dimension.

对三维空间中的射影变换加以分析，说明其行、相关系数的几何意义及将三维非满秩射影变换改为二维满秩射影变换的处理方法进行探索，这对计算机辅助设计中的图形处理和建立图形数据库是有利的。

Theoretical plates of propyl alcohol is 9.9×10^4 plates/m; resolution of ethanol and propyl alcohol is 4.66; RSD of correction factor of relative mass is 1.67% Good linearity with correlation coefficient 0.999 is observed over the range 45.0%~85.0% of ethanol in solvent. The method recovery for ethanol is 100.4% with RSD 1.69%; he RSD of accuracy is 1.74%.

结果：系统实用性实验测得正丙醇理论塔板数为99000，乙醇与正丙醇分离成4.66，相对质量校正因子的变异系数为1.67%；该方法在乙醇百分含量范围45.0%-85.0%内呈良好的线形关系，相关系数为0.999；平均回收率为100.4%， RSD为1.69%；精密度相对标准偏差为1.74%。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。