1) stage-by-stage Logistic discriminant function
逐步Logistic判别函数
2) nonparametric stepwise discriminant analysis
非参数逐步判别
1.
Based on the principle of nonparametric stepwise discriminant analysis,a stepwise discriminant analysis model to predict the possibility of coal spontaneous combustion is established.
运用在煤矿生成实践中积累的众多相关数据和资料,通过全面分析影响煤层自燃因素,基于非参数逐步判别分析理论,建立煤炭自燃预测的判别分析模型。
3) stepwise discrimination
逐步判别
1.
Bayes discrimination function was found out by stepwise discrimination getting the preparative and very marked discrimination variables.
用逐步判别法筛选出最有显著判别能力的变量建立Bayes判别函数,利用此判别函数对过期妊娠患者分娩方式进行回代判别及五个病例的预测判别,均收到满意的效果。
4) Stepwise discriminant
逐步判别
1.
Methods Stepwise discriminant analysis was used to establish a mathematical model with the incidences of bacillary dysentery,monthly average air temperature,monthly precipitation,and monthly sunshine hours of 14 major cities in Hunan during the period of 1987~2006.
方法利用湖南省14地区20年的月均气温、降雨量、日照时间与相应的地区类型及其流行强度资料,进行计量资料多类逐步判别,拟合出数学模型。
6) discriminant function
判别函数
1.
In the paper,the discriminant function is derived from the Fisher principle to distinguish large pore paths in sandstone oil layers based on logging curves.
根据测井曲线,运用费歇准则导出了识别砂岩油层大孔道的判别函数,判别函数是测井曲线的线性组合。
2.
Methods: The dada from 22 patients with dermatomyositis complicated by malignant tumor and 43 patients with dermatomyositis without malignant tumor were analyzed and used to establish a discriminant function.
方法 : 2 2例皮肌炎合并恶性肿瘤患者作为一组 ,43例皮肌炎不合并恶性肿瘤患者作为另一组 ,对两组患者的临床及实验室指标进行分析 ,建立判别函数。
3.
The geometry and information s distance discriminant function are used in our work,the first only calculates the model parameters,so it is simpl.
在以往通过建立火控系统误差时间序列的动态数学模型对火控精度做定性分析的基础上,提出基于时序判别函数对火控系统精度进行定量分析,其结果能给出火控系统精度更客观的检测评定。
补充资料:判别函数
判别函数
discrimiiiaiit function
判别函数【由义血血班成如‘垃扣;八。cKp.M“.a盯ua二中y·HKqoa」 在有两个类的判别分析(disc而刘na力t anal邓is)问题中,用来构造判决规则的统计量.两个类的判别问题可描述如下.设观测值为向量x=(xl,…,凡)的被观测客体属于两个类7T,和几之一,但不知属于哪一个.问题是要找一个判别规则,使得当向量x的观测值已知时,用该规则可确定此客体属于哪一类.建立这样的规则,即是把向量x的样本空间划分为区域R,和RZ,使得当x在尺中时,有理由判定x属于冗,(根据选定的求最优解的原则).如果判别规则是根据划分R,“{x:T(x)常数且a
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条