判别分析

Based on the financial data of 160 companies in both the stock market of Shanghai and Shenzhen between 2003 and 2005, we first use principle component analysis to eliminate the effect of multiple collinearity while at the same time remain as much information as possible.

本文主要运用主成分分析、多元判别分析和 Logistic 回归分析这三种多元统计分析方法，研究了结合了主成分分析的多元判别模型和Logistic 回归模型在违约概率预测上的应用。

This paper introduced the characteristics and defects of Bayes discriminatory analysis model, summarized the ICA's characteristics and development state. Then hased on ICA and Bayes discriminatory analysis model, it provided an IBD model.

简要介绍了Bayes判别分析模型的特点及存在的问题，概括了独立成分分析的特点及发展现状，提出了基于ICA与Bayes的判别分析模型―IBD模型。

Methods We used correlation analysis to precondition the data to reject indexes, and used stepwise discriminatory analysis to choose indexes and made the diagnosis by multiple linear discrimination analysis.

方法用相关分析做数据预处理剔除指标，再用逐步判别分析(stepwise discriminant analysis，SDA)选入指标，并用多元线性判别分析诊断，最后随机抽样比较剔除指标前后的诊断效果。

Advancing notable test to all variables according to data of collection before using to method of stepwise discriminatory analysis to set up discriminant function.

把101例恶性肿瘤患者按中医临床辨证标准分为偏虚组、偏实组、虚实并重组，并设对照组100例，分别测定其外周血载脂蛋白A1、B100水平及A1/B100比值和免疫指标CD3、CD4、CD8、CD4/CD8比值、NK细胞及IgG、IgM、IgA，收集所得数据资料，先将各指标进行显著性检验，后运用逐步判别分析法建立判别函数对其进行判别分析。

The number of chloroplast in stomata guard cell, density, length and width of stomata were observed.

以苹果和梨的二倍体和多倍体为试材，比较了气孔保卫细胞叶绿体数目、气孔密度、气孔长和气孔宽四个性状与倍性的关系，分析各个性状用于倍性鉴定的可靠性，并采用两类性状同时进行判别分析，建立判别分析方程。

The basical ideas, arithmatic methods and applied conditions of reduction of partial least squares and discrete wavelet transformation, logitboost, random forests and fuzzy kendal discriminate analysis of microarray gene expression data, ordinal discriminate analysis of time series multivariate data and varied-coefficient-logistic-regression-model discriminate analysis of the data with varied regular pattern in itself.

本文对医学领域中判别分析方法的新进展做一综述，介绍了微阵列基因表达数据判别分析中偏最小二乘法降维、离散小波变换法降维、logitboost算法、随机森林、模糊核判别分析以及时间序列多元数据有序判别分析法、自身有变化规律数据的变系数logistic回归模型判别分析法的基本思想、算法和适用条件。

Then the evaluation results of the water quality of an example showed that the posterior probability of factors are over 90% and have a significant impact on the identification and classification.

应用逐步判别分析法对水质进行评价因子筛选，通过对水质实际监测因子的假设检验分析，引入判别能力好的因子，建立判别方程。

The discriminant functions of four Sciaenidae species were established, with accuracy of 98.31%-100%(P1) and 98.36%-100%(P2), and average accuracy of 99.46%.

以逐步判别分析方法建立了4种石首鱼的判别函数，判别准确率分别为98.31%~100%(P1)和98.36%~100%(P2)，综合判别率为99.46%。

The result showed that the volatile profiles from Vibrio parahaemolyticus were distinctly different from that of tryptic soy broth.

电子鼻所得的数据用主成分分析、判别因子分析、单类成分判别分析等多元统计方法进行数据分析。

Unstandardized canonical discriminant functions and the discriminant rules are established after the process of discriminant. At the same time, the ratios'proportion is also analyzed from financial point.

然后利用判别分析建立非标准化典则判别函数和判别规则，并对函数中自变量的正负相关性和比重从财务角度进行分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。