Cardinality estimation is a process by which the optimizer USES statistics to determine the size of partial query results after predicates are applied or aggregation is performed.
基数估计是这样一种过程:在应用了谓词或执行了聚集之后,优化器使用统计信息确定部分查询结果的大小。
The younger Mr.Soong also worked as a Chinese-English translator for a time, eventually earned a Ph.D. in statistics and applied mathematics, and went into media and market research.
有一段时间年少的宋先生也做过汉英翻译的工作,他最终获得了统计学和应用数学博士学位,并进入媒体和市场研究领域。
The younger Mr. Soong also worked as a Chinese-English translator for a time, eventually earned a Ph.D. in statistics and applied mathematics, and went into media and market research.
有一段时间年少的宋先生也做过汉英翻译的工作,他最终获得了统计学和应用数学博士学位,并进入媒体和市场研究领域。
The younger Mr. Soong also worked as a Chinese-English translator for a time, eventually earned a Ph. D. in statistics and applied mathematics, and went into media and market research.
有一段时间年少的宋先生也做过汉英翻译的工作,他最终获得了统计学和应用数学博士学位,并进入媒体和市场研究领域。
A junior majoring in applied statistics at Yonsei University, Na is an expert at violin, and enjoys reading and watching movies.(See photo)
罗莉是韩国延世大学应用统计系大三学生,擅长小提琴,喜欢阅读、看电影。
Mathematical statistics (also called statistical theory) is the branch of applied mathematics that USES probability theory and analysis to examine the theoretical basis of statistics.
数理统计(也称为统计理论)是应用数学分支,利用概率论和分析研究的理论基础的统计数据。
Modern Applied Statistics with S-PLUS, 3rd Ed provides a practical introduction to the statistical inferences that can improve processes and profits significantly.
ModernApplied Statisticswith s - PLUS,3rded以实例介绍了统计推论对过程和效益的显著改善。
Methods To perform the sociological investigation in Qiangjiang district of Chongqing and analysis by the methods of applied health economics and health statistics.
方法对重庆市黔江区进行社会学调查,应用卫生经济学和卫生统计学的原理进行相关分析。
The scope of this course covers some well-known quantitative techniques in the fields of statistics and applied mathematics.
课程的范围包括在统计学与应用数学领域中,经常使用的计量分析技巧。
At present, Modern Bayesian Statistics that is the represent of MCMC methodology is applied widely in almost all subjects and achieved marked achievements.
目前以MCMC方法为代表的现代贝叶斯统计学已广泛应用于几乎所有的学科,并取得了显著的成果。
Bifactorial separation classification method is a mathematical statistics method that is used bifactorial incomplete pairing model that has wide applied backgrounds.
双因素分离聚类法是一种有广泛应用背景的处理双因素不完全配对模型的数理统计方法。
On the basis of inquiring into the functions and characteristics of sports population measurement indices, this study has applied the methods of experts' evaluation, unit statistics, etc.
在探讨体育人口测度指标功能和特征的基础上,运用专家评定、单元统计等方法筛选体育人口测度指标。
The research result was applied in the freeway and bridge toll system and the traffic-flow statistics system.
研究结果已在路桥收费系统以及交通流量统计中得到应用。
The adaptive filter is applied to the system in order to solve the question of inaccuracy or unknown noise statistics and to make navigation accuracy increase.
应用自适应滤波解决了实际中噪声统计特性不准确或未知的问题,提高了导航精度。
Multielement regression analysis (MRA) is often applied to the statistics of safety management. The facus is upon several basic formulas, calculating method and procedure of MRA.
在安全管理统计中,经常要用到多元回归分析方法,本文介绍了多元回归分析的几个基本公式,及其计算方法及步骤。
The measures of GIS and the database manipulation were applied to data statistics and its analysis, and illustrated by examples.
提出了利用地理信息系统和数据库操作的方法进行数据的统计和分析,并以实例进行说明。
X ray pattern of Cl element in the HBP/PP/PVC and PP/PVC blends were detected and vantage software was applied to calculate the average diameter and to make statistics of particle distribution.
通过X射线能谱微区分析得到了共混物中氯元素面分布图,对氯元素面分布进行了粒径分布统计和平均粒径计算。
Observe and record ankle movement and muscle strength recovery after 12 weeks in two groups, and results applied statistics analysis.
观察记录运动12周后2组踝关节及肌力的恢复情况,应用统计学分析。
Local gray histogram statistics is applied to object detection in the images with multi-scale fractal feature.
在多尺度分形新特征图像中采用局部直方图统计方法进行目标检测。
Absrtact: as a probability and statistics methodology, linear time series has been applied to many fields.
摘要:线性时间序列作为一种概率统计方法,已经被运用到各个领域中。
Specially, they can be applied to solve the self-tuning information fusion filtering problems for systems with unknown model parameters and noise statistics.
特别可用于解决含有未知模型参数和噪声统计系统的自校正信息融合滤波问题。
It has been applied to building electricity plan design, secondary drawings design, marking, devices statistics, linestyle setting and power system load calculation etc.
可应用于建筑电气的平面图设计、系统图设计、二次接线图设计、标注、设备统计、线型设置、负荷表计算等方面。
Estimation of unknown noise statistics quantity and estimation of signal states are alternatively done, this method is applied to GPS positioning, Computer simulation shows the approach is efficient.
将未知噪声统计量的估计与信号状态估计交替进行的算法引入G P S定位,计算机模拟结果表明效果很好。
The cost of prevention medicine keeps it from being widely applied, yet available statistics justify the validity of preventive efforts in certain specific diseases.
预防医学耗资巨大,使其无法推广,但现有统计资料证明对某些疾病的预防措施是确有成效的。
The identification models of leading products, potential products and product webs are constructed by using statistics theory, and then applied to choosing products in practice.
运用统计理论建立了企业主导产品、先导产品及产品链群的认定模型,并成功地将这一模型应用于宜昌市机床集团的产品选择。
The identification models of leading products, potential products and product webs are constructed by using statistics theory, and then applied to choosing products in practice.
运用统计理论建立了企业主导产品、先导产品及产品链群的认定模型,并成功地将这一模型应用于宜昌市机床集团的产品选择。
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