查询词典 regression function

Appraising the curative effect in thyroid function ,the concentration of thyroid autoantibody ,clinical syndrome and spysical sign, the rate of healing and the emergence of early hypothyroidism ;Cox regression discriminatory analysis were conducted in therapeutic effect .

对石麦清联合~(131)I的治疗疗效从甲功、甲状腺自身抗体、临床症状和体征、治愈率及早发甲低发生率等方面进行评价；并对疗效影响因素进行多因素分析。

In order to reduce error of experimental data treatment, to strengthen accuracy of the result in conductivity determination of the dissociation constant of acetic acid, and also to further synthesis of experiment for training students' ability to treat data and to graph with computer, both Excel and calculator with statistical function have been utilized to perform a linear regression analysis of temperature-limiting molal conductivity of acetic acid solution.

为了减少实验数据处理的误差，提高结果的准确性；也为了进一步加强实验的综合性，培养和提高学生应用计算机处理实验数据和作图的能力，本文在电导法测定醋酸解离常数的实验中分别采用Excel电子表格和具有统计功能的计算器对醋酸溶液的温度和极限摩尔电导率数据进行线性回归分析，得到一元线性回归方程和相关系数，进而确定实验温度下醋酸溶液的极限摩尔电导率。

We use the Taylor series expansion method to get the second-order approximate expression of the confidence region of the parameters, and then according to the principle of minimizing the volume of the confidence region, this paper carries out experimental design for the regression model, and then fixes the point range in the domain of definition of design variable for the model function so as to select the designing point, which can minimize the volume of the confidence region.

文章首先计算指数族非线性模型的回归参数β在1-α置信水平下的置信域的体积，为了便于计算，需把置信域投影到切空间中去，投影后的置信域是一个椭球体，用Taylor展开方法对此椭球体的体积进行二阶近似，推出原参数置信域的体积的近似表达式，然后对回归模型进行试验设计，根据置信域体积最小准则，在模型函数的设计变量的定义域上确定点列，选取使置信域体积达到最小的设计点。

Combining with synchronously collected wind, current velocity and iceberg drift velocity, a kinematic relationship is developed as a multiple linear regression function and the result shows that the contribution of wind to iceberg drift is just half of that of current.

通过对冰山漂流速度和当地的风、流速度的回归分析发现，风对冰山运动的贡献是海流贡献的1／2左右。

By the economic analysis of the agricultural mechanization development effects in China, the paper does qualitative research into impacts of effect degree that different levels of agricultural mechanization have on the rural economy by means of edge effect analysis in regression model, and farther explanation about the impacts that agricultural mechanization have on the rural economy is indicated using the method of simulation of C-D production function model.

论文在我国农业机械化发展效应经济性分析的基础上，利用回归模型边际效应分析方法初步定量探讨了农业机械化发展水平对农村经济的作用程度影响，并运用C—D生产函数模型模拟方法对农业机械化对农村经济影响进行了进一步说明。

Finally, the superiorities of the linear estimator of estimable function for regression coefficients are discussed in non-full rank case.

最后，讨论了当设计阵为非列满秩时，回归系数的可估函数的一类线性估计的优良性。

I Under the general linear model with normal error vector and under convex or matrix losses, the necessary and sufficient condition for there to be UMRU estimators of any linear estimable function SXβ of regression coefficients are obtained.

i在误差向量遵从正态分布，在凸损失或矩阵损失下，得到了回归系数的可估线性函数SXβ的UMRU估计存在的充分必要条件。

We make the following assumption for When 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of Least squares estimate have been discussed in many documents. Considered 2 is nonnegative definite matrix, this thesis derives Best linear unbiased Estimate of parameter matrix B and estimable parameter function KBL under the meaning of matrix nonnegative definite and the property of maximum probability of BLUE is investigated.

当∑＞0时，众多文献讨论了回归系数阵的各种估计及LSE的有效性，本文考虑了当∑≥0的情形，给出了回归系数阵B及其可估参数函数KBL的在矩阵非负定意义下的最优估计，研究了它的一个最大概率性质，并且讨论了最小二乘估计成为最佳线性无偏估计的充分必要条件，在此基础上给出了均值矩阵的最小二乘估计与BLUE的偏差估计，定义了LSE相对于BLUE的一个相对效率，并给出了它的界。

METHODS:Mini mental state examinate was used to assess cognitive function.t test and Logisitc regression were used to analyze the information.

用简易智能量表进行认知功能测定，采用 t检验和 Logistic回归多因素分析方法对测定结果进行分析。

Firstly an approximate linear model was obtained by confining the regression function in a functional space with finite dimension. Then the interval estimator was proposed by Fiducial inference.

首先将回归函数限制在一个有限维函数空间中，得到一个近似的线性模型，在此基础上，由Fiducial推断给出了误差方差的区间估计。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。