查询词典 coefficient

Recently many of statisticians have been interested in the functional coefficient model because of its simplifying structure, meaningful interpretation and wide application. In the chapter 2, estimators of parameters of linear functional coefficient structural model under interval-censored covariate studied.

由于协变量区间删失，为此我们创立了一个与协变量具有相同均值的变量，然后利用加权最小二乘估计法得到了变系数一维线性结构关系模型中的参数估计，当协变量的分布已知时，证明了估计的弱相合性和强相合性。

Columns 4 and 8 record the average coefficient and the weighted-average coefficient for each group.

第4列和第8列记录了每组的平均系数和加权平均系数。

Now, I daily gain coefficient of the Group of cattle, feed coefficient and other major indicators in the domestic leader.

现在，我集团的牛日增重系数、饲料系数等主要指标都在国内处于领先地位。

Tab. 4 Partial correlation coefficient and t test value of partial regression coefficient group Y1

把Y1组、Y2组的偏回归系数t检验值和偏相关系数列于表4和表5。

In determine the coefficient of drag, the group piles drag coefficient curves are obtained through channel experiment and the conclusion is put into numerical model for simulating several engineering condition .

本文从水流的基本控制方程出发，对经典的N～S方程进行应用，引入阻力项以更好的反映群桩阻力对水流的影响。

60Rgan coefficient: Compared with normal group, the kidney organ coefficient of 1-hour group risen obviously.

草乌给药30天观察：(1)足肿胀度：各给药组右足肿胀度较模型对照组有不同程度的减轻。

When the chirped pulse with area smaller than propagates in the medium, splitting doesn't occur and the chirped pulse evolves gradually to an approximate normal Gaussian pulse (C=0), and this characteristic doesn't vary when the chirp coefficient; however, variation of the chirp coefficient will change amplitude and group velocity of the pulse.

面积小于的啁啾脉冲，在介质中传播时不发生分裂，且啁啾脉冲逐渐演化为一个近似的无啁啾(C=0)脉冲，这一特点不随啁啾系数的改变而改变；但啁啾系数的变化将改变脉冲的振幅和群速度。

Using the Pearson correlation coefficient and Spearman rank correlation coefficient, the interspecific association of 13 species in different communities in Beijing mountainous area were investigated, and the niche breadth and niche overlap of 13 species were studied.

应用Pearson相关系数和Spearman秩相关系数检验，研究了北京山区天然林群落13个乔木种群的种间关联性，并对13种植物种群的生态位宽度和生态位重叠进行研究。

Regression and Correlation, coefficient of regression, method least square, coefficient of correlation and determination.

教学目的：通过学习掌握回归关系和相关关系的区别及联系，回归和相关分析的基本原理和方法。

If the coefficient of determination is equal to1, then the coefficient of correlation

试(1)求行政区人口数与抢案件数之间的相关系数r，(2)以=。05检定r是否显著。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。