查询词典 multivariate

METHODS: Arithmetic mean and constituent ratio etc were used as indices to describe the current level of drug expense, and Mann - Whitney test and multivariate linear regression model were applied to compare the difference in drug expense between inpatients with and those without medical insurance.

以算术平均数和构成比等指标描述急性阑尾炎患者的药品费用水平，利用秩和检验与多元线性回归模型等方法比较"医保"患者和自费患者的药品费用。

Multivariate growth curve model of longitudinal data in medical research［J］.

医学多变量追踪数据的生长曲线模型［J］。

In order to ensure the reliability and accuracy of theoretical analysis, we use empirical analysis on the market data. At first, we make multivariate statistical regression on the financial indicators, including the day-to-day operating conditions, the stock market performance, and single-stock risk in a fluctuation cycle. On the basis of control variables, we then examine the direct impact of governance indicators and the indirect impact (the cross-variable regression of financial and governance).

为了保证理论分析的可靠性和准确性，运用实证分析法对股票市场一个波动周期内的财务指标（包括日常经营状况、股票市场表现、单只股票风险三方面）做多元统计回归，在此基础上，以财务指标作为控制变量，研究治理指标的直接影响和间接影响（财务与治理变量交叉项的回归）。

The sufficient and necessary conditions of positive definitiveness of a covariance matrix from multivariate discrete data are obtained.

本论文通过引入p-向量配、I-线性组合及它们的性质，研究离散型样本协方差矩阵的正定性问题。

The second part has summarized from the one-dimension and multivariate respects the abundant approximation properties of Bernstein polynomials, mainly including the estimation of approximation degree, derivative approximation, linear combination approximation and weighted approximation.

第二部分从一元和多元两个方面系统总结了Bernstein算子丰富的逼近性质，主要包括逼近度估计、导数逼近、线性组合逼近和加权逼近等。

The man is magic like multivariate body, besides Yang Gang, carry casually hand dekko , suit cuff between delicate calm case becomes grace.

男人是一个魔术般的多元体，阳刚之外，不经意地抬手一瞥，将西服袖口间的精致定格成为优雅。

In normal multivariate regression analysis, the relations between independent variable and dependent variable is analyzed, and the value of dependent variable can be forecasted.

在一般的多元回归分析中，通过分析因变量和自变量之间的关系，可以预测因变量的值。

Variables were analyzed by univariate and multivariate analysis with pCR as the dependent variable.

采用单因素和多因素进行变量分析。

Table 2 presents descriptive statistics for firm characteristics used as control variables in the multivariate tests.

表2显示了在多元试验中作为控制变量的企业特征的描述性数据。

The good QSPR models for the molar diamagnetic susceptibilities can be constructed from 0 G and 1 G by using multivariate linear regression method and artificial neural network method.

由0 G ，1 G 通过多元线性回归和人工神经网络方法均可以得到良好的预测摩尔反磁磁化率的模型。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。