查询词典 classification statistic

They also show that the DSUR estimators have asymptotically mixed normal distribution and the tests of parametric restrictions can be constructed by the Wald statistic which is asymptotically distributed as a chi-square variate.

如Mark et al(2005)等提出了似无关动态协整模型的思想及其估计方法，以此来消除解释变量的内生性影响，并获得了一个标准的渐近分布。

The spatial autocorrelation coefficient and spatial regression model are widely applied spatial statistic techniques to explain the effects and distributions of spatial factors. This study identifies the major driving forces of the spatial neighborhood effect on land-use/land-cover change in Metropolitan Taipei.

空间自相关系数(spatial autocorrelation coefficient， SAC)或空间回归模型(spatial regression model， SRM)为探讨空间关系常用的工具，其中空间自相关系数以相关系数之观念，藉以探讨空间聚集的型态；空间回归模型则以线性回归模式为基础，探讨自变数以及依变数项的空间差异，对空间近邻效果提供有效的解释方式。

Referring to HMIS public data coding criterion, parts coding management module was designed and established, and parts coding automatic generation function was realized. According to the data collection methods in the reliability theory, maintenance record collection principle was determined, and maintenance record management module was established. Then, by using reliability theory and mathematical statistics method, data statistic analysis and malfunction analysis modules were established, and components failure data statistics, choosing of life distribution law, and predicting of maintenance period were realized.

参照HMIS公用数据编码规范，设计并建立了零件编码管理模块，实现零件编码自动生成功能；根据可靠性理论中数据的收集方法，确定了维修记录收集原则，建立了维修记录管理模块；继而，利用可靠性理论及数理统计方法中对数据的统计分析，建立了数据统计分析、故障分析模块，实现了对零部件故障数据的统计、寿命分布规律的选择及对维修周期的预测。

This paper introduces a method on automatic text categorization based on the statistic features of Chinese character s.

提出了一种基于字特征的中文文本分类方法。

After that, three methods: correlation coefficient, Q statistic weight and autoregressive moving average process, were used to have the random inspection on Shanghai Index. The conclusion is Shanghai security market is still not the weak-from efficiency.

首先对价格序列的单位根检验除了进行ADF检验外，还考虑了更为一般的结构性突变后的单位根检验，得出价格序列存在单位根；其次采用自相关系数、Q统计量和构造自回归移动平均过程三种方法对上证综合指数进行随机游走检验，得出上海股票市场还未达到弱式有效性的结论。

We then calculate the sample average and the standard deviation to construct confidence interval, and the related t statistic.

计算样本均值，标准差和对应的置信区间以及t值。

The effect of QTL mapping was influenced by many factors including population structure and size, number of QTLs, density of genetic markers, heritability of traits etc., especially the genetic and statistic models, so it is essential to select appropriate method according to actual situations before mapping QTLs. In this study, backcross population for QTL mapping was constructed by computer simulation in order to study power of detection and mapping precision of QTLs at different levels of factors.

影响QTL 定位效果的因素很多，包括群体类型、规模、涉及的QTL 数目、遗传标记的密度、性状遗传力等等，特别是分析中使用的遗传和统计模型对QTL 检测和定位有较大的影响。

This was 1897 Italian economist Pareto is Baconian the verdict of a statistic that give, namely the population of 20% enjoys the fortune of 80%.

这是1897年意大利经济学家帕累托归纳出的一个统计结论，即20%的人口享有80%的财富。

We compare the clinical symptoms,physical sign fading time ,the Balthazar grade of CT examination after treatment for three days and by statistic methods.

目的 研究静脉使用甘露醇辅助治疗急性胰腺炎的临床疗效方法对经保守治疗好转的急性胰腺炎病例进行回顾性分析，从中随机抽取40例辅助使用甘露醇的病例和40例未使用的病例分成两组，通过对比使用组与未使用组临床症状、体征缓解的时间及治疗3天后CT检查的Balthazar评分，并进行统计学处理。

Methods We analyze the acute pancreatitis cases who were cured by conservation therapy retrospectively. We divided the patients into two groups each one has 40 patients.We give mannitol to one group random and not to another group. We compare the clinical symptoms,physical sign fading time ,the Balthazar grade of CT examination after treatment for three days and by statistic methods.

对经保守治疗好转的急性胰腺炎病例进行回顾性分析，从中随机抽取40例辅助使用甘露醇的病例和40例未使用的病例分成两组，通过对比使用组与未使用组临床症状、体征缓解的时间及治疗3天后CT检查的Balthazar评分，并进行统计学处理。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。