查询词典 multivariate analysis

To solve the problem of calibration transfer in multivariate calibration of chemometrics,Procrustes analysis algorithm and piecewise direct standardization algorithm are applied.

采用普鲁克分析算法和分段直接校正算法，解决化学计量学多元校正中的模型传递问题。

On the basis of the combination of NMR measurements with multivariate data analysis, 1H NMR-based metabonomics has become a promisingly novel approach in the studies of tumour early diagnosis, processes and prognosis estimate.

基于1H NMR的代谢组学将NMR检测和多变量数据分析有机地结合起来，这种新技术在肿瘤的早期诊断、肿瘤发展和预后监测等方面具有巨大的应用潜力和广阔的应用前景。

Items were designed in the questionary which concluded 24 questions. Then the data collected by the questionnaires were studied with multivariate regression analysis.

问卷设计8个项目，共计24个问题，收集了农村公众环境意识和公众参与情况的相关数据。

Multivariate logistic regression was used to analysis the risk factor for the detection of CAD.

采用Logistic回归分析冠心病的危险因素，为冠心病的诊断提供帮助。

The effect of DM on 30-day cardiac outcome was assessed by multivariate logistic regression and the effect on long-term survival was assessed by Cox regression analysis.

通过多元回归分析围术期30天内 DM 对心输出量的影响，通过 Cox 回归分析评估 DM 对其术后长期生存的影响。

The education de-gree was correlated with the awareness of knowledge about hypertension by the multivariate logistic re-gression analysis.44.3%hypertension cases could obey doctors'advice and took proper medicine on schedule,and the main causes of disobeying were self-neglect and forgetting or having no time.

本研究发现遵医嘱规律服药者仅占既往诊断高血压病患者的44.3%，不遵医嘱的主要原因是自认为无大碍与遗忘或没有时间。

Calibration transfer in multivariate calibration is one of the most important and key issues in near-infrared spectral analysis technology.

模型传递问题是近红外光谱分析技术中一个关键的共性基础技术问题。

This paper addresses the relationship between multispectral satellite information and probed relative humidity in each of standard isobaric surfaces using correlation analysis, least-square fitting and multivariate linear regression separately.

多光谱卫星图像上不同云类的云层高低分布蕴涵着三维湿度场的分布信息，文中用相关分析、最小二乘拟合分析和多元线性回归分析分别讨论了多光谱卫星信息与各标准层相对湿度的关系。

In the third part, we study an application of stereographic projection transformation in statistics, deriving Box-Muller formula (use two independent uniform random number to generate two independent standard normal random number) and spherical symmetric distribution (a product of a positive random variable and a random vector with uniform distribution) in multivariate statistical analysis.

第3章，研究了球极投影变换在统计中的应用，通过球极投影变换获得了利用两个相互独立的均匀随机数生成两个相互独立的标准正态随机数的Box-Muller公式以及多元统计分析中的球对称分布（一个正的随机变量和一个与之相互独立的均匀分布的随机向量的乘积）。

Methods With a questionnaire, a stratified cluster sample of 7 527 students were investigated. Multivariate logistic regression analysis was performed to assess factors for suicidal ideation.

方法采用统一调查表，应用分层整群抽样的方法调查广州市8所中学和8所小学学生7 527名，通过多因素Logistic回归模型筛选自杀意念的危险因素。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐